diff --git a/cao_sunyata.sqlite b/cao_sunyata.sqlite
index c9c5e7f..0e391be 100644
Binary files a/cao_sunyata.sqlite and b/cao_sunyata.sqlite differ
diff --git a/cao_sunyata/models/entries.py b/cao_sunyata/models/entries.py
index d49bdfc..572a521 100644
--- a/cao_sunyata/models/entries.py
+++ b/cao_sunyata/models/entries.py
@@ -157,10 +157,9 @@ def update_topic(request, topic, new_values):
             s += ",%s=:%s" % (param, param)
         else:
             s = "%s=:%s" % (param, param)
-
     if topic == '0':
-        query = "INSERT INTO topics (topic, topic_name, topic_quote) VALUES ('{0}', '{1}', '{2}')".format(
-                topic, new_values['topic_name'], new_values['topic_quote'].replace("'","''"))
+        query = "INSERT INTO topics (topic, topic_name, topic_language, topic_quote) VALUES ('{0}', '{1}', '{2}', '{3}')".format(
+                topic, new_values['topic_name'], new_values['topic_language'], new_values['topic_quote'].replace("'","''"))
     else:
         new_values['topic'] = topic
         query = "UPDATE topics SET %s WHERE topic = :topic;" % s
diff --git a/cao_sunyata/templates/blog.jinja2 b/cao_sunyata/templates/blog.jinja2
index 95a25da..5fc54d1 100644
--- a/cao_sunyata/templates/blog.jinja2
+++ b/cao_sunyata/templates/blog.jinja2
@@ -16,24 +16,31 @@
         
         {% endif %}
 
+        <p>
+            <strong>{{ entry.author }}</strong> - Publié le <strong>{{ entry.create_date }}</strong><br>
+        </p>
         <hr/>
         <p>{{ body_html | safe }}</p>
         <hr/>
+
+        {% if entry.source_link != '' %}
+            <ul>
+                <li><b>Source</b> : <a href="{{ entry.source_link }}">{{ entry.source_title }}</a> - {{ entry.source_site }}</li>
+            </ul>
+        {% endif %}
+        {% if entry.related %}
+            <ul>
+                <li><b>Contenu corrélé</b> : <a href="{{ request.route_url('blog', id=related.id, slug=related.title) }}">{{ related.title }}</a> - {{ related.author }}</li>
+            </ul>
+        {% endif %}
+
         <p>
-            Auteur : <strong>{{ entry.author }}</strong><br>
-            Publié le : <strong>{{ entry.create_date }}</strong><br>
             {% if request.authenticated_userid %}
                 Topic - Tag : <strong>{{ entry.topic_id }}</strong> - <strong>{{ entry.tag }}</strong><br>
-                Statut : <strong>{{ entry.status }}</strong>
+                Language : <strong>{{ entry.language }}</strong><br>
+                Statut : <strong>{{ entry.status }}</strong><br>
             {% endif %}
         </p>
-        <script>
-            const anchors = document.querySelectorAll('a');
-            anchors.forEach((a) => {
-            a.setAttribute('target', '__blank');
-            a.setAttribute('rel', 'noopener noreferrer');
-            });
-        </script>
     </div>
 </div>
 
diff --git a/cao_sunyata/templates/blog_edit.jinja2 b/cao_sunyata/templates/blog_edit.jinja2
index 56f06ca..1a0035e 100644
--- a/cao_sunyata/templates/blog_edit.jinja2
+++ b/cao_sunyata/templates/blog_edit.jinja2
@@ -34,6 +34,21 @@
             <input class="form-control" name="author" type="text" value="{{entry.author}}" required>
         </div>
 
+        <div class="mb-3">
+            <label class="form-label for="author">Source lien</label>
+            <input class="form-control" name="source_link" type="text" value="{{entry.source_link}}">
+        </div>
+
+        <div class="mb-3">
+            <label class="form-label for="author">Source titre</label>
+            <input class="form-control" name="source_title" type="text" value="{{entry.source_title}}">
+        </div>
+
+        <div class="mb-3">
+            <label class="form-label for="author">Contenu corrélé</label>
+            <input class="form-control" name="related" type="text" value="{{entry.related}}">
+        </div>
+
         <div class="mb-3">
             <label class="form-label required-field" for="status">Statut</label>
             <select class="form-control" id="status" name="status" value="{{ entry.status}}">
@@ -52,7 +67,7 @@
         </div>
 
         <p>    
-            Topic : <strong>{{ entry.topic_id }}</strong><br>
+            Topic : <strong>{{ entry.topic_id }}</strong> - <strong>{{ entry.language }}</strong><br>
             {% if blog_id != '0' %}
                 Modifié le : <strong>{{ entry.edit_date }}</strong>
             {% endif %}
diff --git a/cao_sunyata/templates/topic_edit.jinja2 b/cao_sunyata/templates/topic_edit.jinja2
index 327ca76..938bfa8 100644
--- a/cao_sunyata/templates/topic_edit.jinja2
+++ b/cao_sunyata/templates/topic_edit.jinja2
@@ -16,6 +16,16 @@
             <input class="form-control" name="topic_name" type="text" value="{{entry.topic_name}}" required>
         </div>
 
+        <div class="mb-3">
+            <label class="form-label required-field" for="topic_language">Language</label>
+            <select class="form-control" id="language" name="topic_language" value="{{ entry.topic_language }}">
+                <option value="fr" 
+                {% if entry.topic_language == "fr" %} selected {% endif %}>fr</option>
+                <option value="vn"
+                {% if entry.topic_language == "vn" %} selected {% endif %}>vn</option>
+            </select>
+       </div>
+
         <div class="mb-3">
             <label class="form-label required-field" for="topic_quote">Citation</label>
             <textarea class="form-control monospace-font" id="topic_quote" name="topic_quote" required rows="10" cols="35">
diff --git a/cao_sunyata/templates/topics.jinja2 b/cao_sunyata/templates/topics.jinja2
index 0dce6da..e8f6269 100644
--- a/cao_sunyata/templates/topics.jinja2
+++ b/cao_sunyata/templates/topics.jinja2
@@ -16,6 +16,7 @@
             <tr>
                 <th>Topic</th>
                 <th>Name</th>
+                <th>Langue</th>
             </tr>
         </thead>
         <tbody class="table-group-divider">
@@ -27,6 +28,7 @@
                         {{ entry.topic_name }}
                     </a>
                 </td>
+                <td>{{ entry.topic_language }}</td>
             </tr>
         {% endfor %}
         </tbody>
diff --git a/cao_sunyata/views/blog.py b/cao_sunyata/views/blog.py
index 6f74f5b..26aee07 100644
--- a/cao_sunyata/views/blog.py
+++ b/cao_sunyata/views/blog.py
@@ -6,6 +6,7 @@ import datetime #<- will be used to set default dates on models
 from ..models.entries import *
 from webhelpers2.text import urlify #<- will generate slugs
 from webhelpers2.date import distance_of_time_in_words #<- human friendly dates
+from urllib.parse import urlparse
 
 
 @view_config(route_name='blog', renderer='cao_sunyata:templates/blog.jinja2')
@@ -21,10 +22,14 @@ def blog(request):
     body = entry.body.replace('static/', "%s/static/" % request.application_url)
     # convertir de markdown en HTML
     body_html = markdown.markdown(body, extensions=['footnotes'])
+    # lire le contenu correle
+    if entry.related != '0':
+        related = get_entries_by_id(request, entry.related)
 
     return {
         'page_title': entry.title,
         'entry': entry,
+        'related': related,
         'body_html': body_html,
         }
 
@@ -80,6 +85,8 @@ def blog_edit(request):
         entry['topic_id'] = topic
         entry['tag'] = ''
         entry['author'] = ''
+        entry['source_link'] = ''
+        entry['related'] = '0'
         entry['status'] = ''
         entry['creator'] = request.authenticated_userid
         entry['editor'] = ''
@@ -105,9 +112,26 @@ def blog_edit(request):
                     # interdire le car '/' dans le titre à cause du slug
                     new_values['title'] = new_values['title'].replace('/','.')
                 elif param == 'body':
-                    new_values['body'] = new_values['body'].strip()  
-                
-        # import pdb;pdb.set_trace()
+                    new_values['body'] = new_values['body'].strip()
+                elif param == 'source_link':
+                    # controles du champ 'source_link'
+                    src_link = new_values['source_link']
+                    if src_link != '':
+                        if src_link[:4] != 'http':
+                            request.session.flash("Le lien dans Source est invalide !", 'danger')
+                            return HTTPFound(location=url_retour)
+                        # get the domain from 'source_link'
+                        new_values['source_site'] = urlparse(src_link).netloc
+                elif param == 'related':
+                    # lire le contenu correle
+                    if new_values['related'] != '0':
+                        related = get_entries_by_id(request, new_values['related'])
+                        if not related:
+                            request.session.flash("Le contenu corrélé est invalide !", 'danger')
+                            return HTTPFound(location=url_retour)
+                    
+
+        
         if new_values:            
             new_values['topic_id'] = topic
             new_values['editor'] = request.authenticated_userid
diff --git a/cao_sunyata/views/default.py b/cao_sunyata/views/default.py
index c81ab10..14f3d80 100644
--- a/cao_sunyata/views/default.py
+++ b/cao_sunyata/views/default.py
@@ -293,6 +293,7 @@ def topic_edit(request):
         entry = {}
         entry['topic'] = ''
         entry['topic_name'] = ''
+        entry['topic_language'] = ''
         entry['topic_quote'] = ''
         page_title = "Nouveau topic"
     else:
@@ -309,6 +310,7 @@ def topic_edit(request):
             if param in request.params and request.params[param] != entry[param]:
                 new_values[param] = request.params[param]
                 
+        # import pdb;pdb.set_trace()
         if new_values:            
             update_topic(request, topic, new_values)
             request.session.flash(u"La fiche a été mise à jour avec succès.", 'success')