diff --git a/application/config/services.yaml b/application/config/services.yaml
index b7d3d2c..c5c9ecb 100644
--- a/application/config/services.yaml
+++ b/application/config/services.yaml
@@ -21,6 +21,11 @@ services:
         factory: ['@app.menu_builder', 'userTopbar']
         tags:
             - { name: knp_menu.menu, alias: userTopbar }
+    app.menu.source:
+        class: Knp\Menu\MenuItem
+        factory: ['@app.menu_builder', 'sourceNavbar']
+        tags:
+            - { name: knp_menu.menu, alias: sourceNavbar }
     # makes classes in src/ available to be used as services
     # this creates a service per class whose id is the fully-qualified class name
     App\:
diff --git a/application/src/Controller/SourceController.php b/application/src/Controller/SourceController.php
index 98a6b2e..e0477c9 100644
--- a/application/src/Controller/SourceController.php
+++ b/application/src/Controller/SourceController.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace App\Controller;
 
 use Symfony\Component\HttpFoundation\Response;
@@ -7,19 +8,18 @@ use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Component\HttpFoundation\Request;
 use App\Creator\Factory\Template\Source\SourceTemplateFactory;
 use FOS\RestBundle\Controller\FOSRestController;
-use App\Form\NameSourceType;
 use App\Entity\SourceInterface;
 use App\Creator\Factory\Template\Source\SourceTemplateFormFactory;
 use App\Creator\Factory\Form\Source\SourceFormFactory;
 
 /**
  * @todo IMPLEMENT SECURITY!
+ *
  * @author kevinfrantz
  */
 class SourceController extends FOSRestController
 {
     /**
-     *
      * @Route("/source/{id}.{_format}", defaults={"_format"="html"})
      */
     public function show(Request $request, int $id): Response
@@ -28,11 +28,11 @@ class SourceController extends FOSRestController
         $view = $this->view($source, 200)
             ->setTemplate((new SourceTemplateFactory($source, $request))->getTemplatePath())
             ->setTemplateVar('source');
+
         return $this->handleView($view);
     }
 
     /**
-     *
      * @Route("/source/{id}/edit.{_format}", defaults={"_format"="html"})
      */
     public function edit(Request $request, int $id): Response
@@ -44,9 +44,10 @@ class SourceController extends FOSRestController
             $source = $form->getData();
             $this->saveSource($source);
         }
-        return $this->render((new SourceTemplateFormFactory($source, $request))->getTemplatePath(), array(
+
+        return $this->render((new SourceTemplateFormFactory($source, $request))->getTemplatePath(), [
             'form' => $form->createView(),
-        ));
+        ]);
     }
 
     private function loadSource(Request $request, int $id): SourceInterface
@@ -54,9 +55,10 @@ class SourceController extends FOSRestController
         $source = $this->getDoctrine()
             ->getRepository(AbstractSource::class)
             ->find($id);
-        if (! $source) {
-            throw $this->createNotFoundException('No source found for id ' . $id);
+        if (!$source) {
+            throw $this->createNotFoundException('No source found for id '.$id);
         }
+
         return $source;
     }
 
diff --git a/application/src/Creator/Factory/Form/Source/SourceFormFactory.php b/application/src/Creator/Factory/Form/Source/SourceFormFactory.php
index b9c88ce..0be64e9 100644
--- a/application/src/Creator/Factory/Form/Source/SourceFormFactory.php
+++ b/application/src/Creator/Factory/Form/Source/SourceFormFactory.php
@@ -1,34 +1,35 @@
 <?php
+
 namespace App\Creator\Factory\Form\Source;
 
 use App\Entity\SourceInterface;
 
 /**
- *
  * @author kevinfrantz
- *        
  */
 class SourceFormFactory
 {
     const FORM_NAMESPACE = 'App\Form\\';
-    
+
     /**
      * @var SourceInterface
      */
     private $source;
-    
-    public function __construct(SourceInterface $source){
+
+    public function __construct(SourceInterface $source)
+    {
         $this->source = $source;
     }
-    
-    public function getNamespace():string{
+
+    public function getNamespace(): string
+    {
         return self::FORM_NAMESPACE.$this->getName();
     }
-    
+
     protected function getName(): string
     {
         $reflectionClass = new \ReflectionClass($this->source);
+
         return $reflectionClass->getShortName().'Type';
     }
 }
-
diff --git a/application/src/Creator/Factory/Template/Source/SourceTemplateFactory.php b/application/src/Creator/Factory/Template/Source/SourceTemplateFactory.php
index f05730a..80c2932 100644
--- a/application/src/Creator/Factory/Template/Source/SourceTemplateFactory.php
+++ b/application/src/Creator/Factory/Template/Source/SourceTemplateFactory.php
@@ -13,7 +13,7 @@ class SourceTemplateFactory
     const SOURCE_TEMPLATE_ROOT = 'source';
 
     const VIEW_FOLDER = 'view';
-    
+
     /**
      * @var SourceInterface
      */
diff --git a/application/src/Creator/Factory/Template/Source/SourceTemplateFormFactory.php b/application/src/Creator/Factory/Template/Source/SourceTemplateFormFactory.php
index bb2cd68..45bdf90 100644
--- a/application/src/Creator/Factory/Template/Source/SourceTemplateFormFactory.php
+++ b/application/src/Creator/Factory/Template/Source/SourceTemplateFormFactory.php
@@ -1,18 +1,16 @@
 <?php
+
 namespace App\Creator\Factory\Template\Source;
 
 /**
- *
  * @author kevinfrantz
- *        
  */
 class SourceTemplateFormFactory extends SourceTemplateFactory
 {
     const FORM_FOLDER = 'form';
-    
+
     public function getTemplatePath(): string
     {
         return parent::SOURCE_TEMPLATE_ROOT.'/'.self::FORM_FOLDER.'/'.$this->generateName().'.'.$this->request->getRequestFormat().'.twig';
     }
 }
-
diff --git a/application/src/Entity/NameSource.php b/application/src/Entity/NameSource.php
index 69e1928..fdd538c 100644
--- a/application/src/Entity/NameSource.php
+++ b/application/src/Entity/NameSource.php
@@ -18,6 +18,7 @@ class NameSource extends AbstractSource implements NameSourceInterface
     /**
      * @ORM\Column(type="string",length=255)
      * @Assert\NotBlank()
+     *
      * @var string
      */
     protected $name;
diff --git a/application/src/Event/Menu/Topbar/SourceMenuEvent.php b/application/src/Event/Menu/Topbar/SourceMenuEvent.php
new file mode 100644
index 0000000..cc8d49c
--- /dev/null
+++ b/application/src/Event/Menu/Topbar/SourceMenuEvent.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Event\Menu\Topbar;
+
+use Knp\Menu\FactoryInterface;
+use Knp\Menu\ItemInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+class SourceMenuEvent extends Event
+{
+    public const EVENT = 'app.menu.source.user';
+
+    /**
+     * @var FactoryInterface
+     */
+    private $factory;
+
+    /**
+     * @var ItemInterface
+     */
+    private $item;
+
+    /**
+     * @var RequestStack
+     */
+    private $request;
+
+    public function __construct(FactoryInterface $factory, ItemInterface $item, RequestStack $request)
+    {
+        $this->factory = $factory;
+        $this->item = $item;
+        $this->request = $request;
+    }
+
+    /**
+     * @return FactoryInterface
+     */
+    public function getFactory(): FactoryInterface
+    {
+        return $this->factory;
+    }
+
+    /**
+     * @return ItemInterface
+     */
+    public function getItem(): ItemInterface
+    {
+        return $this->item;
+    }
+
+    /**
+     * @return RequestStack
+     */
+    public function getRequest(): RequestStack
+    {
+        return $this->request;
+    }
+}
diff --git a/application/src/Menu/Menu.php b/application/src/Menu/Menu.php
index e82281b..1519e9f 100644
--- a/application/src/Menu/Menu.php
+++ b/application/src/Menu/Menu.php
@@ -1,7 +1,5 @@
 <?php
 
-// src/Menu/Menu.php
-
 namespace App\Menu;
 
 use App\Event\Menu\Topbar\UserMenuEvent;
@@ -9,6 +7,7 @@ use Knp\Menu\FactoryInterface;
 use Knp\Menu\ItemInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\HttpFoundation\RequestStack;
+use App\Event\Menu\Topbar\SourceMenuEvent;
 
 class Menu
 {
@@ -28,6 +27,19 @@ class Menu
         $this->factory = $factory;
     }
 
+    public function SourceNavbar(RequestStack $request): ItemInterface
+    {
+        $menu = $this->factory->createItem('root', [
+            'childrenAttributes' => [
+                'class' => 'navbar-nav mr-auto',
+            ],
+        ]);
+
+        $this->dispatcher->dispatch(SourceMenuEvent::EVENT, new SourceMenuEvent($this->factory, $menu, $request));
+
+        return $menu;
+    }
+
     public function userTopbar(RequestStack $request): ItemInterface
     {
         $menu = $this->factory->createItem('root', [
@@ -36,10 +48,7 @@ class Menu
             ],
         ]);
 
-        $this->dispatcher->dispatch(
-            UserMenuEvent::EVENT,
-            new UserMenuEvent($this->factory, $menu, $request)
-            );
+        $this->dispatcher->dispatch(UserMenuEvent::EVENT, new UserMenuEvent($this->factory, $menu, $request));
 
         return $menu;
     }
diff --git a/application/src/Subscriber/SourceMenuSubscriber.php b/application/src/Subscriber/SourceMenuSubscriber.php
new file mode 100644
index 0000000..2c4a00e
--- /dev/null
+++ b/application/src/Subscriber/SourceMenuSubscriber.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Subscriber;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+use Symfony\Component\Translation\TranslatorInterface;
+use App\Event\Menu\Topbar\SourceMenuEvent;
+
+class SourceMenuSubscriber implements EventSubscriberInterface
+{
+    /**
+     * @var TokenStorageInterface
+     */
+    private $tokenStorage;
+
+    /**
+     * @var TranslatorInterface
+     */
+    private $translator;
+
+    public function __construct(TokenStorageInterface $tokenStorage, TranslatorInterface $translator)
+    {
+        $this->tokenStorage = $tokenStorage;
+        $this->translator = $translator;
+    }
+
+    public function onSourceMenuConfigure(SourceMenuEvent $event): void
+    {
+        $menu = $event->getItem();
+        $menu->addChild($this->translator->trans('edit'), [
+            'route' => 'app_source_edit',
+            'routeParameters' => ['id' => $event->getRequest()->getCurrentRequest()->attributes->get('id')],
+            'attributes' => [
+                'icon' => 'fas fa-edit',
+            ],
+        ]);
+        $menu->addChild($this->translator->trans('show'), [
+            'route' => 'app_source_show',
+            'routeParameters' => ['id' => $event->getRequest()->getCurrentRequest()->attributes->get('id')],
+            'attributes' => [
+                'icon' => 'fas fa-eye',
+            ],
+        ]);
+    }
+
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            SourceMenuEvent::EVENT => 'onSourceMenuConfigure',
+        ];
+    }
+}
diff --git a/application/src/Subscriber/UserMenuSubscriber.php b/application/src/Subscriber/UserMenuSubscriber.php
index 4286c98..919c729 100644
--- a/application/src/Subscriber/UserMenuSubscriber.php
+++ b/application/src/Subscriber/UserMenuSubscriber.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace App\Subscriber;
 
 use App\Event\Menu\Topbar\UserMenuEvent;
@@ -9,19 +10,16 @@ use Knp\Menu\ItemInterface;
 
 class UserMenuSubscriber implements EventSubscriberInterface
 {
-
     /**
-     *
      * @var TokenStorageInterface
      */
     private $tokenStorage;
 
     /**
-     *
      * @var TranslatorInterface
      */
     private $translator;
-    
+
     public function __construct(TokenStorageInterface $tokenStorage, TranslatorInterface $translator)
     {
         $this->tokenStorage = $tokenStorage;
@@ -31,18 +29,18 @@ class UserMenuSubscriber implements EventSubscriberInterface
     public function onUserMenuConfigure(UserMenuEvent $event): void
     {
         $menu = $event->getItem();
-        $menu->addChild('start', [
+        $menu->addChild($this->translator->trans('start'), [
             'route' => 'homepage',
             'attributes' => [
-                'icon' => 'fab fa-font-awesome-flag'
-            ]
+                'icon' => 'fab fa-font-awesome-flag',
+            ],
         ]);
-        
-        $menu->addChild('imprint', [
+
+        $menu->addChild($this->translator->trans('imprint'), [
             'route' => 'imprint',
             'attributes' => [
-                'icon' => 'fas fa-address-card'
-            ]
+                'icon' => 'fas fa-address-card',
+            ],
         ]);
         $this->generateUserDropdown($menu);
     }
@@ -53,45 +51,45 @@ class UserMenuSubscriber implements EventSubscriberInterface
             ->getUsername() ?? 'user', [
             'attributes' => [
                 'dropdown' => true,
-                'icon' => 'fas fa-user'
-            ]
+                'icon' => 'fas fa-user',
+            ],
         ]);
         if ($this->tokenStorage->getToken()->getRoles()) {
-            $dropdown->addChild('logout', [
+            $dropdown->addChild($this->translator->trans('logout'), [
                 'route' => 'logout',
                 'attributes' => [
                     'icon' => 'fas fa-sign-out-alt',
-                    'divider_append' => true
-                ]
+                    'divider_append' => true,
+                ],
             ]);
-            $dropdown->addChild('edit profile', [
+            $dropdown->addChild($this->translator->trans('edit profile'), [
                 'route' => 'fos_user_profile_edit',
                 'attributes' => [
                     'icon' => 'fas fa-user-edit',
-                    'divider_append' => true
-                ]
+                    'divider_append' => true,
+                ],
             ]);
         } else {
-            $dropdown->addChild('login', [
+            $dropdown->addChild($this->translator->trans('login'), [
                 'route' => 'fos_user_security_login',
                 'attributes' => [
                     'divider_append' => true,
-                    'icon' => 'fas fa-sign-in-alt'
-                ]
+                    'icon' => 'fas fa-sign-in-alt',
+                ],
             ]);
         }
         $dropdown->addChild('register', [
             'route' => 'fos_user_registration_register',
             'attributes' => [
-                'icon' => 'fas fa-file-signature'
-            ]
+                'icon' => 'fas fa-file-signature',
+            ],
         ]);
     }
 
     public static function getSubscribedEvents(): array
     {
         return [
-            UserMenuEvent::EVENT => 'onUserMenuConfigure'
+            UserMenuEvent::EVENT => 'onUserMenuConfigure',
         ];
     }
 }
diff --git a/application/templates/frames/structure/navbar/source_sub.html.twig b/application/templates/frames/structure/navbar/source_sub.html.twig
new file mode 100644
index 0000000..e4f004d
--- /dev/null
+++ b/application/templates/frames/structure/navbar/source_sub.html.twig
@@ -0,0 +1,11 @@
+<nav class="navbar navbar-expand-lg navbar-light bg-light">
+	<button class="navbar-toggler" type="button" data-toggle="collapse"
+		data-target="#navbarSupportedContent"
+		aria-controls="navbarSupportedContent" aria-expanded="false"
+		aria-label="Toggle navigation">
+		<span class="navbar-toggler-icon"></span>
+	</button>
+	<div class="collapse navbar-collapse" id="navbarSupportedContent">
+		{{ knp_menu_render('sourceNavbar', {'currentClass': 'active', 'template': 'frames/structure/navbar/knp_menu.html.twig'}) }}
+	</div>
+</nav>
diff --git a/application/templates/source/form/source.html.twig b/application/templates/source/form/source.html.twig
index 58eb82d..741a135 100644
--- a/application/templates/source/form/source.html.twig
+++ b/application/templates/source/form/source.html.twig
@@ -1,6 +1,6 @@
-{% extends "frames/default.html.twig" %}
+{% extends "source/source.html.twig" %}
 {% block title %}
 	{% trans %}
-	Source
+	Source edit
 	{% endtrans %}
 {% endblock %}
\ No newline at end of file
diff --git a/application/templates/source/source.html.twig b/application/templates/source/source.html.twig
new file mode 100644
index 0000000..208c6df
--- /dev/null
+++ b/application/templates/source/source.html.twig
@@ -0,0 +1,9 @@
+{% extends "frames/default.html.twig" %}
+{% block title %}
+	{% trans %}
+	Source
+	{% endtrans %}
+{% endblock %}
+{% block sub_navigation %}
+    {% include 'frames/structure/navbar/source_sub.html.twig'%}
+{% endblock %}
\ No newline at end of file
diff --git a/application/templates/source/view/source.html.twig b/application/templates/source/view/source.html.twig
index 8586f6d..be1ca6f 100644
--- a/application/templates/source/view/source.html.twig
+++ b/application/templates/source/view/source.html.twig
@@ -1,4 +1,4 @@
-{% extends "frames/default.html.twig" %}
+{% extends "source/source.html.twig" %}
 {% block title %}
 	{% trans %}
 	Source