diff --git a/front/pages/org/[orgslug]/collections/index.tsx b/front/pages/org/[orgslug]/collections/index.tsx
index d3c911e7..ce8f7700 100644
--- a/front/pages/org/[orgslug]/collections/index.tsx
+++ b/front/pages/org/[orgslug]/collections/index.tsx
@@ -6,6 +6,7 @@ import styled from "styled-components";
 import { Title } from "../../../../components/UI/Elements/Styles/Title";
 import { deleteCollection, getOrgCollections } from "../../../../services/collections";
 import { getOrganizationContextInfo } from "../../../../services/orgs";
+import { getBackendUrl } from "../../../../services/config";
 
 function Collections() {
   const router = useRouter();
@@ -48,6 +49,13 @@ function Collections() {
           {collections.map((collection: any) => (
             <CollectionItem key={collection.collection_id}>
               <Link href={"/org/" + orgslug + "/collections/" + collection.collection_id}>{collection.name}</Link>
+              <CourseMiniThumbnail>
+                {collection.courses.map((course: any) => (
+                  <Link key={course.course_id} href={"/org/" + orgslug + "/course/" + course.course_id.substring(7)}>
+                    <img key={course.course_id} src={`${getBackendUrl()}content/uploads/img/${course.thumbnail}`} alt={course.name} />
+                  </Link>
+                ))}
+              </CourseMiniThumbnail>
               <button onClick={() => deleteCollectionAndFetch(collection.collection_id)}>Delete</button>
             </CollectionItem>
           ))}
@@ -59,7 +67,7 @@ function Collections() {
 
 const CollectionItem = styled.div`
   display: flex;
-  flex-direction: column;
+  flex-direction: row;
   place-items: center;
   width: 100%;
   height: 100%;
@@ -75,4 +83,19 @@ const CollectionItem = styled.div`
   }
 `;
 
+const CourseMiniThumbnail = styled.div`
+  display: flex;
+  flex-direction: row;
+  img {
+    width: 20px;
+    height: 20px;
+    border-radius: 5px;
+    margin: 5px;
+    transition: all 0.2s ease-in-out;
+  }
+
+  &:hover {
+    opacity: 0.8;
+  }
+`;
 export default Collections;
diff --git a/front/pages/org/[orgslug]/courses/index.tsx b/front/pages/org/[orgslug]/courses/index.tsx
index fb862feb..7e35c9a4 100644
--- a/front/pages/org/[orgslug]/courses/index.tsx
+++ b/front/pages/org/[orgslug]/courses/index.tsx
@@ -48,7 +48,7 @@ const CoursesIndexPage = () => {
     <Layout title="Courses">
       <Header></Header>
       <Title>
-        {orgslug} courses :{" "}
+        {orgslug} Courses :{" "}
         <Link href={"/org/" + orgslug + "/courses/new"}>
 
           <button>+</button>
diff --git a/src/routers/courses/collections.py b/src/routers/courses/collections.py
index f62f3b32..e2ce3dc5 100644
--- a/src/routers/courses/collections.py
+++ b/src/routers/courses/collections.py
@@ -24,7 +24,7 @@ async def api_get_collection(collection_id: str, current_user: PublicUser = Depe
 
 
 @router.get("/page/{page}/limit/{limit}")
-async def api_get_collection_by(page: int, limit: int, current_user: PublicUser = Depends(get_current_user)):
+async def api_get_collections_by(page: int, limit: int, current_user: PublicUser = Depends(get_current_user)):
     """
     Get collections by page and limit
     """
diff --git a/src/services/courses/collections.py b/src/services/courses/collections.py
index 7c373567..abb020f1 100644
--- a/src/services/courses/collections.py
+++ b/src/services/courses/collections.py
@@ -14,8 +14,8 @@ from datetime import datetime
 class Collection(BaseModel):
     name: str
     description: str
-    courses: List[str] # course_id
-    org_id: str # org_id
+    courses: List[str]  # course_id
+    org_id: str  # org_id
 
 
 class CollectionInDB(Collection):
@@ -36,7 +36,7 @@ async def get_collection(collection_id: str, current_user: PublicUser):
 
     # verify collection rights
     await verify_collection_rights(collection_id, current_user, "read")
-    
+
     if not collection:
         raise HTTPException(
             status_code=status.HTTP_409_CONFLICT, detail="Collection does not exist")
@@ -50,9 +50,10 @@ async def create_collection(collection_object: Collection, current_user: PublicU
     collections = learnhouseDB["collections"]
 
     # find if collection already exists using name
-    isCollectionNameAvailable = collections.find_one({"name": collection_object.name})
-    
-    # TODO 
+    isCollectionNameAvailable = collections.find_one(
+        {"name": collection_object.name})
+
+    # TODO
     # await verify_collection_rights("*", current_user, "create")
 
     if isCollectionNameAvailable:
@@ -62,7 +63,8 @@ async def create_collection(collection_object: Collection, current_user: PublicU
     # generate collection_id with uuid4
     collection_id = str(f"collection_{uuid4()}")
 
-    collection = CollectionInDB(collection_id=collection_id, **collection_object.dict())
+    collection = CollectionInDB(
+        collection_id=collection_id, **collection_object.dict())
 
     collection_in_db = collections.insert_one(collection.dict())
 
@@ -83,7 +85,6 @@ async def update_collection(collection_object: Collection, collection_id: str, c
 
     collection = collections.find_one({"collection_id": collection_id})
 
-
     if not collection:
         raise HTTPException(
             status_code=status.HTTP_409_CONFLICT, detail="Collection does not exist")
@@ -91,7 +92,8 @@ async def update_collection(collection_object: Collection, collection_id: str, c
     updated_collection = CollectionInDB(
         collection_id=collection_id,  **collection_object.dict())
 
-    collections.update_one({"collection_id": collection_id}, {"$set": updated_collection.dict()})
+    collections.update_one({"collection_id": collection_id}, {
+                           "$set": updated_collection.dict()})
 
     return Collection(**updated_collection.dict())
 
@@ -99,7 +101,7 @@ async def update_collection(collection_object: Collection, collection_id: str, c
 async def delete_collection(collection_id: str, current_user: PublicUser):
     await check_database()
 
-    await verify_collection_rights(collection_id, current_user,"delete")
+    await verify_collection_rights(collection_id, current_user, "delete")
 
     collections = learnhouseDB["collections"]
 
@@ -121,20 +123,36 @@ async def delete_collection(collection_id: str, current_user: PublicUser):
 # Misc
 ####################################################
 
+
 async def get_collections(page: int = 1, limit: int = 10):
     ## TODO : auth
     await check_database()
     collections = learnhouseDB["collections"]
 
-    # get all collections from database
-    all_collections = collections.find().sort("name", 1).skip(10 * (page - 1)).limit(limit)
-    
-    # TODO : Check rights for each collection
-    return [json.loads(json.dumps(collection, default=str)) for collection in all_collections]
+    # get all collections from database without ObjectId
+    all_collections = collections.find({}).sort(
+        "name", 1).skip(10 * (page - 1)).limit(limit)
 
+    # create list of collections and include courses in each collection
+    collections_list = []
+    for collection in all_collections:
+        collection = CollectionInDB(**collection)
+        collections_list.append(collection)
+
+        collection_courses = [course for course in collection.courses]
+        # add courses to collection
+        courses = learnhouseDB["courses"]
+        collection.courses = []
+        collection.courses = courses.find(
+            {"course_id": {"$in": collection_courses}}, {'_id': 0})
+
+        collection.courses = [course for course in collection.courses]
+
+    return collections_list
 
 #### Security ####################################################
 
+
 async def verify_collection_rights(collection_id: str,  current_user: PublicUser, action: str):
     await check_database()
     collections = learnhouseDB["collections"]