diff --git a/Gemfile b/Gemfile
index 211a4a7..93e3b88 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,8 +3,6 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 ruby '2.7.0'
 
-# gem 'nokogiri', require: false
-
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '6.0.2.1'
 # Use sqlite3 as the database for Active Record
@@ -39,6 +37,9 @@ gem 'devise-encryptable', '0.2.0'
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.4.2', require: false
 
+# for composite primary keys
+gem 'composite_primary_keys'
+
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
diff --git a/Gemfile.lock b/Gemfile.lock
index 17ac9f4..3f376de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,6 +73,8 @@ GEM
       regexp_parser (~> 1.5)
       xpath (~> 3.2)
     childprocess (3.0.0)
+    composite_primary_keys (12.0.2)
+      activerecord (~> 6.0.0)
     concurrent-ruby (1.1.6)
     crass (1.0.6)
     devise (4.7.1)
@@ -84,7 +86,7 @@ GEM
     devise-encryptable (0.2.0)
       devise (>= 2.1.0)
     erubi (1.9.0)
-    ffi (1.12.2)
+    ffi (1.12.2-x64-mingw32)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     httparty (0.18.0)
@@ -105,11 +107,11 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.4)
+    mimemagic (0.3.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
-    msgpack (1.3.3)
+    msgpack (1.3.3-x64-mingw32)
     multi_xml (0.6.0)
     nio4r (2.5.2)
     nokogiri (1.10.9)
@@ -157,7 +159,7 @@ GEM
     rubyzip (2.3.0)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
-    sassc (2.2.1)
+    sassc (2.2.1-x64-mingw32)
       ffi (~> 1.9)
     sassc-rails (2.1.2)
       railties (>= 4.0.0)
@@ -184,6 +186,8 @@ GEM
     turbolinks-source (5.2.0)
     tzinfo (1.2.7)
       thread_safe (~> 0.1)
+    tzinfo-data (1.2019.3)
+      tzinfo (>= 1.0.0)
     warden (1.2.8)
       rack (>= 2.0.6)
     web-console (4.0.1)
@@ -199,20 +203,21 @@ GEM
       activesupport (>= 4.2)
       rack-proxy (>= 0.6.1)
       railties (>= 4.2)
-    websocket-driver (0.7.1)
+    websocket-driver (0.7.2)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
     zeitwerk (2.3.0)
 
 PLATFORMS
-  ruby
+  x64-mingw32
 
 DEPENDENCIES
   bootsnap (>= 1.4.2)
   byebug
   capybara (>= 2.15)
+  composite_primary_keys
   devise (= 4.7.1)
   devise-encryptable (= 0.2.0)
   httparty (= 0.18.0)
@@ -232,4 +237,4 @@ RUBY VERSION
    ruby 2.7.0p0
 
 BUNDLED WITH
-   2.1.2
+   2.1.4
diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index b8595d5..cd97425 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -118,4 +118,19 @@ input[type=text], input[type=url], input[type=email], input[type=password], inpu
     line-height: 25px;
     font-size: 16px;
     border: 1px solid #bbb;
+}
+
+input {
+    background-color: white;
+    border: solid #3F51B5;
+    border-width: 1px;
+    color: #3F51B5;
+    padding: 3px 3px;
+    text-align: center;
+    text-decoration: none;
+    display: inline-block;
+    font-size: 16px;
+    margin-right: 0.1em;
+    font-weight: bolder;
+    border-radius: 4px;
 }
\ No newline at end of file
diff --git a/app/assets/stylesheets/favorites.scss b/app/assets/stylesheets/favorites.scss
index a780c04..2197538 100644
--- a/app/assets/stylesheets/favorites.scss
+++ b/app/assets/stylesheets/favorites.scss
@@ -40,7 +40,10 @@
   display: flex;
 
   :nth-child(2) {
-    color: darkred;
+    -webkit-text-fill-color: #ffffff;
+    background-color: #ff1919;
+    border-radius: 4px;
+    border-color: #ff1919;
   }
 }
 
diff --git a/app/assets/stylesheets/print.css b/app/assets/stylesheets/print.css
new file mode 100644
index 0000000..7fada74
--- /dev/null
+++ b/app/assets/stylesheets/print.css
@@ -0,0 +1,17 @@
+@media print {
+    nav, input, button, .favNav {
+        display: none;
+    }
+
+    @page {
+        size: A4;
+    }
+
+    body {
+        counter-reset: chapternum figurenum;
+        font-family: "Trebuchet MS", "Lucida Grande", "Lucida Sans Unicode", "Lucida Sans", Tahoma, sans-serif;
+        line-height: 1.5;
+        font-size: 11pt;
+    }
+}
+
diff --git a/app/assets/stylesheets/tiss_crawler.scss b/app/assets/stylesheets/tiss_crawler.scss
index 00b82ff..dfc467c 100644
--- a/app/assets/stylesheets/tiss_crawler.scss
+++ b/app/assets/stylesheets/tiss_crawler.scss
@@ -1,3 +1,8 @@
 // Place all the styles related to the tiss_crawler controller here.
 // They will automatically be included in application.css.
 // You can use Sass (SCSS) here: https://sass-lang.com/
+
+.annotationField {
+  width: 99.5%;
+  height: 8em;
+}
\ No newline at end of file
diff --git a/app/controllers/crawlers/courses_crawler_controller.rb b/app/controllers/crawlers/courses_crawler_controller.rb
index dc41553..e000079 100644
--- a/app/controllers/crawlers/courses_crawler_controller.rb
+++ b/app/controllers/crawlers/courses_crawler_controller.rb
@@ -26,6 +26,8 @@ class Crawlers::CoursesCrawlerController < Crawlers::TissCrawlerController
       params[:semester] = regex[:semester]
     end
 
+    @personal_annotation = get_stored_annotation FavoriteCourse, {number: params[:number]}
+
     puts params
 
     # TissCrawler fetches the course's detail information
@@ -82,4 +84,8 @@ class Crawlers::CoursesCrawlerController < Crawlers::TissCrawlerController
     redirect_back(fallback_location: search)
   end
 
+  def add_annotation
+    store_annotation FavoriteCourse, 'Course', {number: params[:id]}
+  end
+
 end
diff --git a/app/controllers/crawlers/people_crawler_controller.rb b/app/controllers/crawlers/people_crawler_controller.rb
index ffb605d..beed2ee 100644
--- a/app/controllers/crawlers/people_crawler_controller.rb
+++ b/app/controllers/crawlers/people_crawler_controller.rb
@@ -22,6 +22,8 @@ class Crawlers::PeopleCrawlerController < Crawlers::TissCrawlerController
     params[:api] = '/api/person/v22/id/'
     params[:tiss_id] = params[:tiss_id]
 
+    @personal_annotation = get_stored_annotation FavoritePerson, {tiss_id: params[:tiss_id]}
+
     puts params
     # TissCrawler fetches the person's detail information
     @person = TissCrawler.get_details(params)
@@ -35,12 +37,12 @@ class Crawlers::PeopleCrawlerController < Crawlers::TissCrawlerController
     @person = TissCrawler.get_details(params)
 
     # create stores the object to the db after creation
-    favorite_hash = { tiss_id: @person['tiss_id'],
-                      # the user who is currently active
-                      user_id: current_user.id,
-                      first_name: @person['first_name'],
-                      last_name: @person['last_name'],
-                      picture_uri: @person['picture_uri'] }
+    favorite_hash = {tiss_id: @person['tiss_id'],
+                     # the user who is currently active
+                     user_id: current_user.id,
+                     first_name: @person['first_name'],
+                     last_name: @person['last_name'],
+                     picture_uri: @person['picture_uri']}
     if FavoritePerson.create(favorite_hash).valid?
       FavoritePerson.create(favorite_hash)
       flash[:alert] = 'Person added to your favorites!'
@@ -50,4 +52,8 @@ class Crawlers::PeopleCrawlerController < Crawlers::TissCrawlerController
     redirect_back(fallback_location: crawlers_tiss_crawler_search_path)
   end
 
+  def add_annotation
+    store_annotation FavoritePerson, 'Person', {tiss_id: params[:id]}
+  end
+
 end
diff --git a/app/controllers/crawlers/projects_crawler_controller.rb b/app/controllers/crawlers/projects_crawler_controller.rb
index 605efe2..c25cb31 100644
--- a/app/controllers/crawlers/projects_crawler_controller.rb
+++ b/app/controllers/crawlers/projects_crawler_controller.rb
@@ -21,6 +21,8 @@ class Crawlers::ProjectsCrawlerController < Crawlers::TissCrawlerController
 
     @id = params[:id]
 
+    @personal_annotation = get_stored_annotation FavoriteProject, {id: @id}
+
     puts params
     # TissCrawler fetches the project's detail information
     @project = TissCrawler.get_project_details(params)
@@ -34,9 +36,9 @@ class Crawlers::ProjectsCrawlerController < Crawlers::TissCrawlerController
     @project = TissCrawler.get_project_details(params)
 
     # create stores the object to the db after creation
-    favorite_hash = {id: params[:id],
+    favorite_hash = {id: [params[:id], current_user.id],
                      # the user who is currently active
-                     user_id: current_user.id,
+                     # user_id: current_user.id,
                      title: @project['titleDe']}
     if FavoriteProject.create(favorite_hash).valid?
       FavoriteProject.create(favorite_hash)
@@ -46,4 +48,8 @@ class Crawlers::ProjectsCrawlerController < Crawlers::TissCrawlerController
     end
     redirect_back(fallback_location: search)
   end
+
+  def add_annotation
+    store_annotation FavoriteProject, 'Project', {id: params[:id]}
+  end
 end
diff --git a/app/controllers/crawlers/theses_crawler_controller.rb b/app/controllers/crawlers/theses_crawler_controller.rb
index 711b1a0..97c8e65 100644
--- a/app/controllers/crawlers/theses_crawler_controller.rb
+++ b/app/controllers/crawlers/theses_crawler_controller.rb
@@ -21,6 +21,8 @@ class Crawlers::ThesesCrawlerController < Crawlers::TissCrawlerController
 
     @id = params[:id]
 
+    @personal_annotation = get_stored_annotation FavoriteThesis, {id: @id}
+
     puts params
     # TissCrawler fetches the thesis' detail information
     @thesis = TissCrawler.get_thesis_details(params)
@@ -34,9 +36,9 @@ class Crawlers::ThesesCrawlerController < Crawlers::TissCrawlerController
     @thesis = TissCrawler.get_thesis_details(params)
 
     # create stores the object to the db after creation
-    favorite_hash = {id: params[:id],
+    favorite_hash = {id: [params[:id], current_user.id],
                      # the user who is currently active
-                     user_id: current_user.id,
+                     # user_id: current_user.id,
                      title: @thesis['title']['de']}
     if FavoriteThesis.create(favorite_hash).valid?
       FavoriteThesis.create(favorite_hash)
@@ -46,4 +48,8 @@ class Crawlers::ThesesCrawlerController < Crawlers::TissCrawlerController
     end
     redirect_back(fallback_location: search)
   end
+
+  def add_annotation
+    store_annotation FavoriteThesis, 'Thesis', {id: params[:id]}
+  end
 end
diff --git a/app/controllers/crawlers/tiss_crawler_controller.rb b/app/controllers/crawlers/tiss_crawler_controller.rb
index aae78e3..0a9a39d 100644
--- a/app/controllers/crawlers/tiss_crawler_controller.rb
+++ b/app/controllers/crawlers/tiss_crawler_controller.rb
@@ -34,4 +34,31 @@ class Crawlers::TissCrawlerController < ApplicationController
   def add_to_fav
   end
 
+  def add_annotation
+
+  end
+
+  private
+  def get_stored_annotation(object, id_hash)
+    id_hash['user_id'] = current_user
+    if object.exists?(id_hash)
+      object.where(id_hash)[0]['personal_annotation']
+    else
+      ""
+    end
+  end
+
+  def store_annotation(object, object_name, id_hash)
+    id_hash['user_id'] = current_user
+
+    # Allow storing empty strings as a way of "clearing" the stored val
+    if object.exists?(id_hash)
+      object.where(id_hash)[0].update(:personal_annotation => params[:body])
+      flash[:alert] = 'Annotation stored!'
+    else
+      flash[:alert] = object_name + ' has to be favorited first!'
+    end
+    redirect_back(fallback_location: crawlers_tiss_crawler_search_path)
+  end
+
 end
diff --git a/app/helpers/crawlers/tiss_crawler_helper.rb b/app/helpers/crawlers/tiss_crawler_helper.rb
index b730a09..ec3bcc2 100644
--- a/app/helpers/crawlers/tiss_crawler_helper.rb
+++ b/app/helpers/crawlers/tiss_crawler_helper.rb
@@ -1,2 +1,9 @@
 module Crawlers::TissCrawlerHelper
+  def render_personal_annotations(id, personal_annotation)
+    render :partial => "crawlers/personal_annotations",
+           :locals => {
+               :cur_id => id,
+               :personal_annotation => personal_annotation
+           }
+  end
 end
diff --git a/app/models/favorite_course.rb b/app/models/favorite_course.rb
index 60d0d1f..7bac3e6 100644
--- a/app/models/favorite_course.rb
+++ b/app/models/favorite_course.rb
@@ -1,4 +1,6 @@
 class FavoriteCourse < ApplicationRecord
+  self.primary_keys = :id, :user_id
+
   validates :title, :semester, :number, presence: true
-  validates :semester, :number, uniqueness: {scope: [:semester, :number]}
+  validates :semester, :number, uniqueness: {scope: [:semester, :number, :user_id]}
 end
diff --git a/app/models/favorite_person.rb b/app/models/favorite_person.rb
index 9d1e8b8..e5d4186 100644
--- a/app/models/favorite_person.rb
+++ b/app/models/favorite_person.rb
@@ -1,5 +1,5 @@
 class FavoritePerson < ApplicationRecord
-  self.primary_key = 'tiss_id'
+  self.primary_keys = :tiss_id, :user_id
 
-  validates :tiss_id, uniqueness: true
+  validates :tiss_id, uniqueness: { scope: [:user_id] }
 end
diff --git a/app/models/favorite_project.rb b/app/models/favorite_project.rb
index f7482c4..ca4e37e 100644
--- a/app/models/favorite_project.rb
+++ b/app/models/favorite_project.rb
@@ -1,5 +1,5 @@
 class FavoriteProject < ApplicationRecord
-  self.primary_key = 'id'
+  self.primary_keys = :id, :user_id
 
-  validates :id, uniqueness: true
+  validates :id, :user_id, uniqueness: {scope: [:id, :user_id]}
 end
diff --git a/app/models/favorite_thesis.rb b/app/models/favorite_thesis.rb
index f1618f9..23f5238 100644
--- a/app/models/favorite_thesis.rb
+++ b/app/models/favorite_thesis.rb
@@ -1,5 +1,5 @@
 class FavoriteThesis < ApplicationRecord
-  self.primary_key = 'id'
+  self.primary_keys = :id, :user_id
 
-  validates :id, uniqueness: true
+  validates :id, :user_id, uniqueness: {scope: [:id, :user_id]}
 end
diff --git a/app/views/crawlers/_personal_annotations.html.erb b/app/views/crawlers/_personal_annotations.html.erb
new file mode 100644
index 0000000..d28329b
--- /dev/null
+++ b/app/views/crawlers/_personal_annotations.html.erb
@@ -0,0 +1,13 @@
+<%= form_tag "add_annotation", :id => "id" do -%>
+  <%= hidden_field_tag :authenticity_token, form_authenticity_token %>
+  <p>
+    Add an annotation:
+  </p>
+  <p>
+    <%= text_area_tag 'body', personal_annotation, class: 'annotationField' %>
+    <%= hidden_field_tag :id , cur_id %>
+  </p>
+  <p>
+    <%= submit_tag "Save annotation" %>
+  </p>
+<% end -%>
\ No newline at end of file
diff --git a/app/views/crawlers/courses_crawler/show_detail.html.erb b/app/views/crawlers/courses_crawler/show_detail.html.erb
index 23c85ba..d8ad360 100644
--- a/app/views/crawlers/courses_crawler/show_detail.html.erb
+++ b/app/views/crawlers/courses_crawler/show_detail.html.erb
@@ -1,6 +1,8 @@
 <% if @course != nil %>
   <%-# TODO parse more fields and style them appropriately -%>
-  <h2><%= @course['title']['de'] %></h2>
+  <h2>Course: <%= @course['title']['de'] %></h2>
+  <%= button_to "PRINT", '#', onclick: "print()" %>
+
   <h5><%= @course['courseType'] %> <%= @course['semesterCode'] %>, <%= @course['weeklyHours'] %> SWS, <%= @course['instituteCode'] %> <%= @course['instituteName']['de'] %> </h5>
   <%= button_to 'Add to favorites', action: :add_to_fav, number: @course['courseNumber'], semester: @course['semesterCode'] %>
   <% if @lecturers_names != nil %>
@@ -13,4 +15,6 @@
     <h3>Inhalt</h3>
     <%= raw @course['objective']['de'] %>
   <% end %>
+
+  <%= render_personal_annotations @course['courseNumber'], @personal_annotation %>
 <% end %>
diff --git a/app/views/crawlers/people_crawler/show_detail.html.erb b/app/views/crawlers/people_crawler/show_detail.html.erb
index ce54c90..6767af0 100644
--- a/app/views/crawlers/people_crawler/show_detail.html.erb
+++ b/app/views/crawlers/people_crawler/show_detail.html.erb
@@ -1,5 +1,7 @@
 <% if @person != nil %>
-  <h2><%= @person['first_name'] %> <%= @person['last_name'] %></h2>
+  <h2>Person: <%= @person['first_name'] %> <%= @person['last_name'] %></h2>
+  <%= button_to "PRINT", '#', onclick: "print()" %>
+
   <div class="profile-picture">
     <% if @person['picture_uri'] != nil %>
       <%= image_tag @host + @person['picture_uri'] %>
@@ -14,8 +16,12 @@
     <p>Other E-Mails: <%= @person['other_emails'] %></p>
   <% end %>
   <% if @person['main_addresses'] != nil %>
-    <p>Address: <%= @person['main_addresses'][0]['street'] %>, <%= @person['main_addresses'][0]['zip_code'] %> <%= @person['main_addresses'][0]['city'] %></p>
+    <p>Address: <%= @person['main_addresses'][0]['street'] %>
+      , <%= @person['main_addresses'][0]['zip_code'] %> <%= @person['main_addresses'][0]['city'] %></p>
   <% end %>
-<!--  <p>Employee: <%#= @person.employee %></p>-->
-  <%= button_to 'Add to favorites', action: :add_to_fav, tiss_id: @person['tiss_id'] %>
+  <!--  <p>Employee: <%#= @person.employee %></p>-->
+  <%= button_to 'Add to favorites', action: :add_to_fav, tiss_id: @person['tiss_id'], class: 'button' %>
+
+  <%= render_personal_annotations @person['tiss_id'], @personal_annotation %>
+
 <% end %>
\ No newline at end of file
diff --git a/app/views/crawlers/projects_crawler/show_detail.html.erb b/app/views/crawlers/projects_crawler/show_detail.html.erb
index 7321c2c..92be9e7 100644
--- a/app/views/crawlers/projects_crawler/show_detail.html.erb
+++ b/app/views/crawlers/projects_crawler/show_detail.html.erb
@@ -1,5 +1,7 @@
 <% if @project != nil %>
-  <h2><%= @project['titleDe'] %></h2>
+  <h2>Project: <%= @project['titleDe'] %></h2>
+  <%= button_to "PRINT", '#', onclick: "print()" %>
+
   <h5><%= @project['contractBegin'] %> - <%= @project['contractEnd'] %></h5>
   <%= button_to 'Add to favorites', action: :add_to_fav, id: @id, title: @project['titleDe'] %>
   <% if @project['abstractDe'] != nil %>
@@ -11,4 +13,7 @@
       <p><%= raw @project['abstractEn'] %></p>
     <% end %>
   <% end %>
+
+  <%= render_personal_annotations @id, @personal_annotation %>
+
 <% end %>
diff --git a/app/views/crawlers/theses_crawler/show_detail.html.erb b/app/views/crawlers/theses_crawler/show_detail.html.erb
index 24f1a83..54cc904 100644
--- a/app/views/crawlers/theses_crawler/show_detail.html.erb
+++ b/app/views/crawlers/theses_crawler/show_detail.html.erb
@@ -1,5 +1,7 @@
 <% if @thesis != nil %>
-  <h2><%= @thesis['title']['de'] %></h2>
+  <h2>Thesis: <%= @thesis['title']['de'] %></h2>
+  <%= button_to "PRINT", '#', onclick: "print()" %>
+
   <h5><%= @thesis['thesisType'] %>, <%= @thesis['instituteCode'] %> <%= @thesis['instituteName']['de'] %></h5>
   <%= button_to 'Add to favorites', action: :add_to_fav, id: @id, title: @thesis['title']['de'] %>
   <% if @thesis['advisor'] != nil %>
@@ -10,4 +12,6 @@
     <h4>Assistant</h4>
     <p><%= @thesis['assistant']['familyName'] %> <%= @thesis['assistant']['givenName'] %></p>
   <% end %>
+
+  <%= render_personal_annotations @id, @personal_annotation %>
 <% end %>
diff --git a/app/views/favorites/_nav.html.erb b/app/views/favorites/_nav.html.erb
index 00728b8..4a9c8e7 100644
--- a/app/views/favorites/_nav.html.erb
+++ b/app/views/favorites/_nav.html.erb
@@ -3,4 +3,6 @@
   <%= link_to 'Courses', favorites_courses_url %>
   <%= link_to 'Theses', favorites_theses_url %>
   <%= link_to 'Projects', favorites_projects_url %>
-</div>
\ No newline at end of file
+
+  <%= link_to "PRINT", '#', onclick: "print()" %>
+</div>
diff --git a/app/views/favorites/people.html.erb b/app/views/favorites/people.html.erb
index b8d9782..7fcd78d 100644
--- a/app/views/favorites/people.html.erb
+++ b/app/views/favorites/people.html.erb
@@ -43,6 +43,7 @@
           </td>
           <td></td>
           <td></td>
+          <td></td>
         </tr>
       <% end %>
     </table>
diff --git a/app/views/favorites/projects.html.erb b/app/views/favorites/projects.html.erb
index 0af93e5..d458f9a 100644
--- a/app/views/favorites/projects.html.erb
+++ b/app/views/favorites/projects.html.erb
@@ -25,6 +25,7 @@
               <%= button_to 'Delete', {:action => "delete_project", :id => project['id']}, :method => 'delete' %>
             </div>
           </td>
+          <td></td>
         </tr>
       <% end %>
     </table>
diff --git a/app/views/favorites/theses.html.erb b/app/views/favorites/theses.html.erb
index 4d2deac..bc14c31 100644
--- a/app/views/favorites/theses.html.erb
+++ b/app/views/favorites/theses.html.erb
@@ -26,6 +26,7 @@
               <%= button_to 'Delete', {:action => "delete_thesis", :id => thesis['id']}, :method => 'delete' %>
             </div>
           </td>
+          <td></td>
         </tr>
       <% end %>
     </table>
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index e48e0f0..37c8872 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -5,7 +5,9 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
+
     <%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload' %>
+    <%= stylesheet_link_tag 'print', media: 'print' %>
     <%= javascript_pack_tag 'application', 'data-turbolinks-track': 'reload' %>
 
     <meta content="width=device-width, initial-scale=1, maximum-scale=1" name="viewport">
@@ -43,4 +45,5 @@
     </main>
 
   </body>
+
 </html>
diff --git a/config/routes.rb b/config/routes.rb
index 5469c54..8f7d967 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -13,6 +13,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
 
     namespace :courses_crawler do
@@ -21,6 +22,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
 
     namespace :theses_crawler do
@@ -29,6 +31,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
 
     namespace :projects_crawler do
@@ -37,6 +40,7 @@ Rails.application.routes.draw do
       post 'show_detail'
       get 'add_to_fav'
       post 'add_to_fav'
+      post 'add_annotation'
     end
   end
 
diff --git a/db/migrate/20200421152314_create_favorite_people.rb b/db/migrate/20200421152314_create_favorite_people.rb
index d1a00b0..e412e40 100644
--- a/db/migrate/20200421152314_create_favorite_people.rb
+++ b/db/migrate/20200421152314_create_favorite_people.rb
@@ -1,14 +1,13 @@
 class CreateFavoritePeople < ActiveRecord::Migration[6.0]
   def change
-    create_table :favorite_people, id: false do |t|
+    create_table :favorite_people, primary_key: [:tiss_id, :user_id] do |t|
       t.integer :tiss_id, null: false
-      t.integer :user_id, null: false
+      t.belongs_to :user
       t.string :first_name
       t.string :last_name
       t.string :picture_uri
-
+      t.string :personal_annotation
       t.timestamps
     end
-    add_index :favorite_people, :tiss_id, unique: true
   end
 end
diff --git a/db/migrate/20200521091231_create_favorite_courses.rb b/db/migrate/20200521091231_create_favorite_courses.rb
index 4937ab0..45b675e 100644
--- a/db/migrate/20200521091231_create_favorite_courses.rb
+++ b/db/migrate/20200521091231_create_favorite_courses.rb
@@ -1,13 +1,14 @@
 class CreateFavoriteCourses < ActiveRecord::Migration[6.0]
   def change
-    create_table :favorite_courses do |t|
+    create_table :favorite_courses , primary_key: [:id, :user_id] do |t|
+      t.integer :id
+      t.belongs_to :user
       t.string :number, null: false
       t.string :semester, null: false
       t.string :title, null: false
-      t.integer :user_id, null: false
+      t.string :personal_annotation
 
       t.timestamps
     end
-    add_index :favorite_courses, [:number, :semester], unique: true
   end
 end
diff --git a/db/migrate/20200525132942_create_favorite_theses.rb b/db/migrate/20200525132942_create_favorite_theses.rb
index 64c63db..4292946 100644
--- a/db/migrate/20200525132942_create_favorite_theses.rb
+++ b/db/migrate/20200525132942_create_favorite_theses.rb
@@ -1,12 +1,12 @@
 class CreateFavoriteTheses < ActiveRecord::Migration[6.0]
   def change
-    create_table :favorite_theses, id: false do |t|
+    create_table :favorite_theses, primary_key: [:id, :user_id] do |t|
       t.integer :id, null: false
-      t.integer :user_id, null: false
+      t.belongs_to :user
       t.string :title
+      t.string :personal_annotation
 
       t.timestamps
     end
-    add_index :favorite_theses, :id, unique: true
   end
 end
diff --git a/db/migrate/20200529081537_create_favorite_projects.rb b/db/migrate/20200529081537_create_favorite_projects.rb
index c5195f8..90dc787 100644
--- a/db/migrate/20200529081537_create_favorite_projects.rb
+++ b/db/migrate/20200529081537_create_favorite_projects.rb
@@ -1,12 +1,12 @@
 class CreateFavoriteProjects < ActiveRecord::Migration[6.0]
   def change
-    create_table :favorite_projects, id: false do |t|
+    create_table :favorite_projects, primary_key: [:id, :user_id] do |t|
       t.integer :id, null: false
-      t.integer :user_id, null: false
+      t.belongs_to :user
       t.string :title
+      t.string :personal_annotation
 
       t.timestamps
     end
-    add_index :favorite_projects, :id, unique: true
   end
 end
diff --git a/db/schema.rb b/db/schema.rb
index 846a44a..88fe6f3 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -12,43 +12,48 @@
 
 ActiveRecord::Schema.define(version: 2020_05_29_081537) do
 
-  create_table "favorite_courses", force: :cascade do |t|
+  create_table "favorite_courses", primary_key: ["id", "user_id"], force: :cascade do |t|
+    t.integer "id"
+    t.integer "user_id"
     t.string "number", null: false
     t.string "semester", null: false
     t.string "title", null: false
-    t.integer "user_id", null: false
+    t.string "personal_annotation"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
-    t.index ["number", "semester"], name: "index_favorite_courses_on_number_and_semester", unique: true
+    t.index ["user_id"], name: "index_favorite_courses_on_user_id"
   end
 
-  create_table "favorite_people", id: false, force: :cascade do |t|
+  create_table "favorite_people", primary_key: ["tiss_id", "user_id"], force: :cascade do |t|
     t.integer "tiss_id", null: false
-    t.integer "user_id", null: false
+    t.integer "user_id"
     t.string "first_name"
     t.string "last_name"
     t.string "picture_uri"
+    t.string "personal_annotation"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
-    t.index ["tiss_id"], name: "index_favorite_people_on_tiss_id", unique: true
+    t.index ["user_id"], name: "index_favorite_people_on_user_id"
   end
 
-  create_table "favorite_projects", id: false, force: :cascade do |t|
+  create_table "favorite_projects", primary_key: ["id", "user_id"], force: :cascade do |t|
     t.integer "id", null: false
-    t.integer "user_id", null: false
+    t.integer "user_id"
     t.string "title"
+    t.string "personal_annotation"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
-    t.index ["id"], name: "index_favorite_projects_on_id", unique: true
+    t.index ["user_id"], name: "index_favorite_projects_on_user_id"
   end
 
-  create_table "favorite_theses", id: false, force: :cascade do |t|
+  create_table "favorite_theses", primary_key: ["id", "user_id"], force: :cascade do |t|
     t.integer "id", null: false
-    t.integer "user_id", null: false
+    t.integer "user_id"
     t.string "title"
+    t.string "personal_annotation"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
-    t.index ["id"], name: "index_favorite_theses_on_id", unique: true
+    t.index ["user_id"], name: "index_favorite_theses_on_user_id"
   end
 
   create_table "users", force: :cascade do |t|