diff --git a/stages/static/img/closed.png b/stages/static/img/closed.png
new file mode 100644
index 0000000..7323a89
Binary files /dev/null and b/stages/static/img/closed.png differ
diff --git a/stages/static/img/open.png b/stages/static/img/open.png
new file mode 100644
index 0000000..25e1aa4
Binary files /dev/null and b/stages/static/img/open.png differ
diff --git a/stages/static/js/attribution.js b/stages/static/js/attribution.js
index 2056a06..f04b2d7 100644
--- a/stages/static/js/attribution.js
+++ b/stages/static/js/attribution.js
@@ -128,7 +128,15 @@ $(document).ready(function() {
   });
 
   $('#student_select').change(function(ev) {
-    $('#student_detail').load('/student/' + $(this).val() + '/summary/').addClass("filled");
+    $('#student_detail').load('/student/' + $(this).val() + '/summary/', function() {
+        $('div#previous_stages_head').toggle(function() {
+            $('ul#previous_stages_list').toggle();
+            $(this).find('img').attr('src', static_url + 'img/open.png');
+        }, function() {
+            $('ul#previous_stages_list').toggle();
+            $(this).find('img').attr('src', static_url + 'img/closed.png');
+        });
+    }).addClass("filled");
     current_student = $(this).val();
     if (current_avail !== null) $('input#valid_training').show()
   });
diff --git a/stages/views.py b/stages/views.py
index 25416e1..e491ab3 100644
--- a/stages/views.py
+++ b/stages/views.py
@@ -15,6 +15,12 @@ class StudentSummaryView(DetailView):
     model = Student
     template_name = 'student_summary.html'
 
+    def get_context_data(self, **kwargs):
+        context = super(StudentSummaryView, self).get_context_data(**kwargs)
+        context['previous_stages'] = self.object.training_set.all(
+            ).select_related('availability__corporation').order_by('availability__period__end_date')
+        return context
+
 
 class AvailabilitySummaryView(DetailView):
     model = Availability
diff --git a/templates/attribution.html b/templates/attribution.html
index bf7fbc1..4b02668 100644
--- a/templates/attribution.html
+++ b/templates/attribution.html
@@ -15,6 +15,9 @@
   select#corp_select, select#corp_filter { width: 100%; }
 
   div#student_detail { float:left; width: 40%; margin: 1em; padding: 0.5em; border: 3px solid red; min-height: 4em; border-radius: 8px; }
+  div#previous_stages { background-color: #EEE; border-radius: 4px; }
+  ul#previous_stages_list { display: none; padding-left: 1.5em;}
+
   div#corp_detail { float:right; width: 40%; margin: 1em; padding: 0.5em; border: 3px solid red; min-height: 4em; border-radius: 8px; }
   div#corp_total, div#student_total { font-style: italic; color: gray; }
   div.filled { border-color: green !important; }
@@ -33,6 +36,7 @@
 {% block extrahead %}
   <script type="text/javascript" src="{% static "admin/js/jquery.js" %}"></script>
   <script type="text/javascript" src="{% static "js/attribution.js" %}"></script>
+  <script type="text/javascript">var static_url = '{{ STATIC_URL }}';</script>
 {% endblock %}
 
 {% block breadcrumbs %}
diff --git a/templates/student_summary.html b/templates/student_summary.html
index 1b8dea1..7a09d1c 100644
--- a/templates/student_summary.html
+++ b/templates/student_summary.html
@@ -1,3 +1,16 @@
-{{ object.first_name }} {{ object.last_name }}<br>
-{{ object.pcode }} {{ object.city }}<br>
-Date de naissance: {{ object.birth_date }}
+<div id="previous_stages">
+  <div id="previous_stages_head">
+    <em><img src="{{ STATIC_URL }}img/closed.png"> Stages précédents ({{ previous_stages|length }}) :</em>
+  </div>
+  <ul id="previous_stages_list">
+  {% for stage in previous_stages %}
+    <li>{{ stage.availability.period.dates }}: {{ stage.availability.corporation }} ({{ stage.availability.corporation.city }})</li>
+  {% endfor %}
+  </ul>
+</div>
+
+<div id="summary">
+  {{ object.first_name }} {{ object.last_name }}<br>
+  {{ object.pcode }} {{ object.city }}<br>
+  Date de naissance: {{ object.birth_date }}
+</div>