diff --git a/bda/migrations/0007_extends_spectacle.py b/bda/migrations/0007_extends_spectacle.py
index 2d6c6fdc..3fa6ccaa 100644
--- a/bda/migrations/0007_extends_spectacle.py
+++ b/bda/migrations/0007_extends_spectacle.py
@@ -16,7 +16,8 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False,
                                         auto_created=True, primary_key=True)),
-                ('name', models.CharField(max_length=300, verbose_name='Nom')),
+                ('name', models.CharField(max_length=300, verbose_name='Nom',
+                                          unique=True)),
             ],
             options={
                 'verbose_name': 'Cat\xe9gorie',
@@ -25,9 +26,11 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='Quote',
             fields=[
-                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('id', models.AutoField(verbose_name='ID', serialize=False,
+                                        auto_created=True, primary_key=True)),
                 ('text', models.TextField(verbose_name='Citation')),
-                ('author', models.CharField(max_length=200, verbose_name='Auteur')),
+                ('author', models.CharField(max_length=200,
+                                            verbose_name='Auteur')),
             ],
         ),
         migrations.AlterModelOptions(
diff --git a/bda/models.py b/bda/models.py
index 72c7fd3b..8a7d0814 100644
--- a/bda/models.py
+++ b/bda/models.py
@@ -49,7 +49,7 @@ class Salle(models.Model):
 
 @python_2_unicode_compatible
 class CategorieSpectacle(models.Model):
-    name = models.CharField('Nom', max_length=300)
+    name = models.CharField('Nom', max_length=100, unique=True)
 
     def __str__(self):
         return self.name
diff --git a/bda/views.py b/bda/views.py
index f6c1256a..4ea0df32 100644
--- a/bda/views.py
+++ b/bda/views.py
@@ -10,6 +10,7 @@ from django.db import models
 from django.db.models import Count
 from django.core import serializers
 from django.forms.models import inlineformset_factory
+from django.http import HttpResponseBadRequest
 import hashlib
 
 from django.core.mail import send_mail
@@ -368,5 +369,15 @@ def send_rappel(request, spectacle_id):
 
 def descriptions_spectacles(request, tirage_id):
     tirage = get_object_or_404(Tirage, id=tirage_id)
-    shows = tirage.spectacle_set.all()
-    return render(request, 'descriptions.html', {'shows': shows})
+    shows_qs = tirage.spectacle_set
+    category_name = request.GET.get('category', '')
+    location_id = request.GET.get('location', '')
+    if category_name:
+        shows_qs = shows_qs.filter(category__name=category_name)
+    if location_id:
+        try:
+            shows_qs = shows_qs.filter(location__id=int(location_id))
+        except ValueError:
+            return HttpResponseBadRequest(
+                    "La variable GET 'location' doit contenir un entier")
+    return render(request, 'descriptions.html', {'shows': shows_qs.all()})