diff --git a/src/wanijo/public/db.clj b/src/wanijo/public/db.clj
index 9ecea5f..f501ef8 100644
--- a/src/wanijo/public/db.clj
+++ b/src/wanijo/public/db.clj
@@ -25,7 +25,7 @@
   "MATCH (coc:instance {uuid:{coc_uuid}}),
          (rschema:schema {uuid:{roleschema_uuid}}),
          (role:instance)-[:of]->(rschema),
-         (coc)--(:link)--(role:instance)
+         (coc)--(:link)--(role)
    OPTIONAL MATCH
          (lschema:schema {uuid:{levelschema_uuid}}),
          (level:instance)-[:of]->(lschema),
@@ -39,7 +39,10 @@
        (group-by :role)
        (map (fn [[role rows]]
               {:role role
-               :levels (filter some? (map :level rows))}))))
+               :levels (->> (map :level rows)
+                            (filter some?)
+                            (sort-by :name))}))
+       (sort-by #(-> % :role :name))))
 
 (comment
   (roles-with-levels-of-coc! "dev")
@@ -57,3 +60,42 @@
       first
       :coc
       (assoc :key coc-key)))
+
+(neo4j/defquery level
+  "MATCH (level:instance {uuid:{uuid}})
+   RETURN level")
+(defn level! [uuid]
+  (-> (neo4j/exec-query! level
+                         {:uuid uuid})
+      first
+      :level))
+
+(neo4j/defquery modules-with-comps
+  "MATCH (level:instance {uuid:{level_uuid}}),
+         (mschema:schema {uuid:{moduleschema_uuid}}),
+         (module:instance)-[:of]->(mschema),
+         (level)--(:link)--(module)
+   OPTIONAL MATCH
+         (cschema:schema {uuid:{compschema_uuid}}),
+         (comp:instance)-[:of]->(cschema),
+         (module)--(:link)--(comp)
+   RETURN module, comp")
+(defn modules-with-comps! [level-uuid]
+  (->> (neo4j/exec-query! modules-with-comps
+                          {:level_uuid level-uuid
+                           :moduleschema_uuid (:module schema-uuids)
+                           :compschema_uuid (:component schema-uuids)})
+       (group-by :module)
+       (map (fn [[module rows]]
+              {:module module
+               :comps (->> (map :comp rows)
+                           (filter some?)
+                           (sort-by :name))}))
+       (sort-by #(-> % :module :name))))
+
+(comment
+  (modules-with-comps! "140962fb-f55e-45ab-87fc-680c012bd8dc")
+  (neo4j/exec-query! modules-with-comps
+                          {:level_uuid "140962fb-f55e-45ab-87fc-680c012bd8dc"
+                           :moduleschema_uuid (:module schema-uuids)
+                           :compschema_uuid (:component schema-uuids)}))
diff --git a/src/wanijo/public/routes.clj b/src/wanijo/public/routes.clj
index b930a85..be421be 100644
--- a/src/wanijo/public/routes.clj
+++ b/src/wanijo/public/routes.clj
@@ -7,10 +7,19 @@
 (defn index []
   (view-public/index))
 
-(defn show-roles [coc-key]
+(defn show-coc [coc-key]
   (view-public/show-coc (db-public/coc! coc-key)
                         (db-public/roles-with-levels-of-coc! coc-key)))
 
+(defn show-modules [coc-key level-uuid]
+  (view-public/show-modules
+   (db-public/coc! coc-key)
+   (db-public/level! level-uuid)
+   (db-public/modules-with-comps! level-uuid)))
+
 (defroutes routes
   (GET (register! :public-index "/public") [] (index))
-  (GET (register! :public-coc "/public/:coc") [coc] (show-roles coc)))
+  (GET (register! :public-coc-roles "/public/:coc") [coc] (show-coc coc))
+  (GET (register! :public-role-modules "/public/:coc/:level")
+       [coc level]
+       (show-modules coc level)))
diff --git a/src/wanijo/public/view.clj b/src/wanijo/public/view.clj
index da4ccd2..a9729c7 100644
--- a/src/wanijo/public/view.clj
+++ b/src/wanijo/public/view.clj
@@ -30,13 +30,13 @@
      [:menu.global-nav
       [:ol.global-nav__card-nav
        [:li.global-nav__card-nav-item
-        [:a.global-nav__link {:href (path :public-coc {:coc "dev"})}
+        [:a.global-nav__link {:href (path :public-coc-roles {:coc "dev"})}
          "Development"]]
        [:li.global-nav__card-nav-item
-        [:a.global-nav__link {:href (path :public-coc {:coc "prk"})}
+        [:a.global-nav__link {:href (path :public-coc-roles {:coc "prk"})}
          "Projekte"]]
        [:li.global-nav__card-nav-item
-        [:a.global-nav__link {:href (path :public-coc {:coc "req"})}
+        [:a.global-nav__link {:href (path :public-coc-roles {:coc "req"})}
          "Req. Eng."]]]]
      (into [:div.content] content)]]))
 
@@ -64,16 +64,56 @@
        [:tbody
         (for [row roles-with-levels
               :let [{:keys [role levels]} row
-                    rest-levels (rest levels)]]
+                    level (first levels)]]
           (list
            [:tr
-            [:td {:rowspan (max 1 (count levels))} (h (:name role))]
-            [:td (h (-> levels first :name))]]
-           (for [level rest-levels]
+            [:td {:rowspan (max 1 (count levels))}
+             (h (:name role))]
+            [:td
+             [:a {:href (path :public-role-modules
+                              {:coc (:key coc)
+                               :level (:uuid level)})}
+              (h (:name level))]]]
+           (for [level (rest levels)]
              [:tr
-              [:td (h (:name level))]])))]]]]
+              [:td [:a {:href (path :public-role-modules
+                                    {:coc (:key coc)
+                                     :level (:uuid level)})}
+                    (h (:name level))]]])))]]]]
     [:nav
      [:ol.breadcrumb
       [:li.breadcrumb-item
        [:a {:href (path :public-index)} "Start"]]
       [:li.breadcrumb-item.active (h (:name coc))]]]]))
+
+(defn show-modules [coc level modules-with-comps]
+  (layout
+   [[:main.main
+     [:h1 "Erfahrungsstufe " (h (:name level))]
+     [:div.table-responsive
+      [:table.table
+       [:thead
+        [:tr
+         [:th "Modul"]
+         [:th "Komponente"]]]
+       [:tbody
+        (for [row modules-with-comps
+              :let [{:keys [module comps]} row
+                    compo (first comps)]]
+          (list
+           [:tr
+            [:td {:rowspan (max 1 (count comps))}
+             (h (:name module))]
+            [:td (h (:name compo))]]
+           (for [compo (rest comps)]
+             [:tr
+              [:td (h (:name compo))]])))]]]]
+    [:nav
+     [:ol.breadcrumb
+      [:li.breadcrumb-item
+       [:a {:href (path :public-index)} "Start"]]
+      [:li.breadcrumb-item
+       [:a {:href (path :public-coc-roles
+                        {:coc (:key coc)})}
+        (h (:name coc))]]
+      [:li.breadcrumb-item.active (h (:name level))]]]]))