diff --git a/api/webview/urls.py b/api/webview/urls.py
index 38f8c658..8715adb9 100644
--- a/api/webview/urls.py
+++ b/api/webview/urls.py
@@ -7,6 +7,7 @@
     url(r'^documents/status', views.status, name='status'),
     url(r'^documents/(?P<source>\w+)/$', views.DocumentsFromSource.as_view(), name='source'),
     url(r'^documents/(?P<source>[a-z]+)/(?P<docID>(.*))/$', views.document_detail, name='document_detail'),
+    url(r'^documents/from=(?P<from>\d{4}-\d{2}-\d{2})&until=(?P<until>\d{4}-\d{2}-\d{2})/$', views.DocumentsByProviderUpdatedDateTime.as_view(), name='providerupdate'),
     url(r'^institutions', views.institutions, name='institutions'),
     url(r'^robots\.txt$', include('robots.urls')),
 ]
diff --git a/api/webview/views.py b/api/webview/views.py
index bc077f54..ca1aadc9 100644
--- a/api/webview/views.py
+++ b/api/webview/views.py
@@ -5,7 +5,7 @@
 from rest_framework.response import Response
 from rest_framework.decorators import api_view
 from django.views.decorators.clickjacking import xframe_options_exempt
-
+from dateutil.parser import parse
 from elasticsearch import Elasticsearch
 
 from scrapi import settings
@@ -28,7 +28,8 @@ def perform_create(self, serializer):
     def get_queryset(self):
         """ Return all documents
         """
-        return Document.objects.all()
+        queryset = Document.objects.all().exclude(normalized=None)
+        return queryset
 
 
 class DocumentsFromSource(generics.ListAPIView):
@@ -44,7 +45,25 @@ def perform_create(self, serializer):
     def get_queryset(self):
         """ Return queryset based on source
         """
-        return Document.objects.filter(source=self.kwargs['source'])
+        return Document.objects.filter(source=self.kwargs['source']).exclude(normalized=None)
+
+
+class DocumentsByProviderUpdatedDateTime(generics.ListAPIView):
+    """
+    List all documents updated within specified time frame
+    """
+    serializer_class = DocumentSerializer
+    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
+
+    def perform_create(self, serializer):
+        serializer.save(source=self.request.user)
+
+    def get_queryset(self):
+        """ Return queryset based on provider update time
+        """
+        queryset = Document.objects.all()
+        queryset = queryset.filter(providerUpdatedDateTime__gte=parse(self.kwargs['from'])).filter(providerUpdatedDateTime__lte=parse(self.kwargs['until']))
+        return queryset
 
 
 @api_view(['GET'])
diff --git a/tests/test_api_views.py b/tests/test_api_views.py
index b903140c..0f26dd74 100644
--- a/tests/test_api_views.py
+++ b/tests/test_api_views.py
@@ -2,10 +2,11 @@
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "api.api.settings")
 
 import django
-from django.test import TestCase
-from rest_framework.test import APIRequestFactory
-
-from api.webview.views import DocumentList, status, institutions
+from django.test import TestCase 
+from rest_framework.test import APIRequestFactory, APITestCase, APIClient, force_authenticate
+from dateutil.parser import parse
+from api.webview.views import DocumentList, status, institutions, DocumentsByProviderUpdatedDateTime
+from api.webview.models import Document
 
 django.setup()
 
@@ -60,4 +61,42 @@ def test_institutions(self):
         )
         response = view(request)
         self.assertEqual(response.status_code, 200)
+    def test_exclude_non_normalized_documents(self):
+        view = DocumentList.as_view()
+        create_document(source="bad",normalized=None)
+        create_document(source="good",normalized="This is Normalized")
+        request = self.factory.get(
+            '/documents/'
+        )
+        response = view(request)        
+        self.assertNotContains(response, "bad",
+                            status_code=200)
+        self.assertContains(response, "good", status_code=200)
+        print(response)
+
+
+class APIViewTests2(APITestCase):
+
+    def test_query_search_by_providerupdatedtime(self):
+        view = DocumentsByProviderUpdatedDateTime.as_view()
+        create_new_document(source = "tooearly",providerUpdatedDateTime= parse("2012-01-01"))
+        create_new_document(source = "rightontime", providerUpdatedDateTime= parse("2013-01-05"))
+        create_new_document(source= "toolate", providerUpdatedDateTime = parse("2015-01-01"))
+        response = self.client.get('/documents/from=2013-01-01&until=2014-12-30/', kwargs= {'from':"2013-01-01",'until':'2014-12-30'})
+        force_authenticate(response)
+        self.assertNotContains(response, "tooearly", status_code=200)
+        self.assertContains(response, "rightontime", status_code=200)
+        self.assertNotContains(response, "toolate", status_code =200)
+
+
+def create_new_document(source,providerUpdatedDateTime):
+        return Document.objects.create(source = source, providerUpdatedDateTime = providerUpdatedDateTime)
+def create_document(source,normalized):
+        return Document.objects.create(source= source,normalized= normalized)
+
+
+
+
+
+