diff --git a/application/src/Controller/AbstractEntityController.php b/application/src/Controller/AbstractEntityController.php
new file mode 100644
index 0000000..617785f
--- /dev/null
+++ b/application/src/Controller/AbstractEntityController.php
@@ -0,0 +1,35 @@
+<?php
+namespace App\Controller;
+
+use App\Entity\EntityInterface;
+use FOS\RestBundle\Controller\FOSRestController;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+abstract class AbstractEntityController extends FOSRestController
+{
+    /**
+     * @var string
+     */
+    protected $entityName;
+    
+    public function __construct(){
+        $this->setEntityName();
+    }
+    
+    abstract protected function setEntityName():void;
+    
+    protected function loadEntityById(int $id): EntityInterface
+    {
+        $entity = $this->getDoctrine()
+        ->getRepository($this->entityName)
+        ->find($id);
+        if (!$entity) {
+            throw $this->createNotFoundException('No entity found for id '.$id);
+        }
+        return $entity;
+    }
+}
\ No newline at end of file
diff --git a/application/src/Controller/LawController.php b/application/src/Controller/LawController.php
index 0638c22..c7e8512 100644
--- a/application/src/Controller/LawController.php
+++ b/application/src/Controller/LawController.php
@@ -1,17 +1,17 @@
 <?php
 namespace App\Controller;
 
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\Routing\Annotation\Route;
-
+use Symfony\Component\HttpFoundation\Request;
+use App\Entity\Law;
 /**
  *
  * @author kevinfrantz
  *        
  */
-class LawController extends AbstractController
+class LawController extends AbstractEntityController
 {
     /**
      * @Route("/law/{id}.{_format}", defaults={"_format"="html"})
@@ -33,4 +33,10 @@ class LawController extends AbstractController
     public function node(int $id):RedirectResponse{
         //Implement
     }
+    
+    protected function setEntityName(): void
+    {
+        $this->entityName = Law::class;
+    }
+
 }
\ No newline at end of file
diff --git a/application/src/Controller/NodeController.php b/application/src/Controller/NodeController.php
index 993ecec..fb5f75b 100644
--- a/application/src/Controller/NodeController.php
+++ b/application/src/Controller/NodeController.php
@@ -2,7 +2,6 @@
 
 namespace App\Controller;
 
-use FOS\RestBundle\Controller\FOSRestController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
@@ -14,29 +13,25 @@ use App\Entity\Node;
  *
  * @author kevinfrantz
  */
-class NodeController extends FOSRestController
+class NodeController extends AbstractEntityController
 {
     /**
      * @Route("/node/{id}.{_format}", defaults={"_format"="html"})
      */
     public function show(Request $request, int $id): Response
     {
-        $node = $this->loadSource($request, $id);
+        /**
+         * @var NodeInterface $node
+         */
+        $node = $this->loadEntityById($id);
         $view = $this->view($node, 200)
         ->setTemplate('node/view/standard.html.twig')
         ->setTemplateVar('node');
-
         return $this->handleView($view);
     }
-
-    private function loadSource(Request $request, int $id): NodeInterface
+    
+    protected function setEntityName(): void
     {
-        $node = $this->getDoctrine()
-        ->getRepository(Node::class)
-        ->find($id);
-        if (!$node) {
-            throw $this->createNotFoundException('No node found for id '.$id);
-        }
-        return $node;
+        $this->entityName = Node::class;
     }
 }
diff --git a/application/src/Controller/SourceController.php b/application/src/Controller/SourceController.php
index 1c4ec5f..5791acf 100644
--- a/application/src/Controller/SourceController.php
+++ b/application/src/Controller/SourceController.php
@@ -19,14 +19,14 @@ use App\Entity\Source\AbstractSource;
  *
  * @author kevinfrantz
  */
-class SourceController extends FOSRestController
+class SourceController extends AbstractEntityController
 {
     /**
      * @Route("/source/{id}.{_format}", defaults={"_format"="html"})
      */
     public function show(Request $request, int $id): Response
     {
-        $source = $this->loadSource($request, $id);
+        $source = $this->loadEntityById($id);
         #$assembler = $this->get(SourceDTOAssember::class);
         #$dto = $assembler->build($source, $this->getUser());
         $view = $this->view($source, 200)
@@ -41,7 +41,7 @@ class SourceController extends FOSRestController
      */
     public function edit(Request $request, int $id): Response
     {
-        $source = $this->loadSource($request, $id);
+        $source = $this->loadEntityById($id);
         $form = $this->createForm((new SourceFormFactory($source))->getNamespace(), $source);
         $form->handleRequest($request);
         if ($form->isSubmitted() && $form->isValid()) {
@@ -59,27 +59,20 @@ class SourceController extends FOSRestController
      */
     public function node(Request $request, int $id): RedirectResponse
     {
-        $source = $this->loadSource($request, $id);
-
+        $source = $this->loadEntityById($id);
         return $this->redirectToRoute('app_node_show', ['id' => $source->getNode()->getId()]);
     }
 
-    private function loadSource(Request $request, int $id): SourceInterface
-    {
-        $source = $this->getDoctrine()
-            ->getRepository(AbstractSource::class)
-            ->find($id);
-        if (!$source) {
-            throw $this->createNotFoundException('No source found for id '.$id);
-        }
-
-        return $source;
-    }
-
     private function saveSource(SourceInterface $source): void
     {
         $entityManager = $this->getDoctrine()->getManager();
         $entityManager->persist($source);
         $entityManager->flush();
     }
+    
+    protected function setEntityName(): void
+    {
+        $this->entityName = AbstractSource::class;
+    }
+
 }
diff --git a/application/src/Entity/AbstractEntity.php b/application/src/Entity/AbstractEntity.php
index d234338..c6541cf 100644
--- a/application/src/Entity/AbstractEntity.php
+++ b/application/src/Entity/AbstractEntity.php
@@ -8,7 +8,7 @@ use Doctrine\ORM\Mapping as ORM;
 /**
  * @author kevinfrantz
  */
-class AbstractEntity
+abstract class AbstractEntity implements EntityInterface
 {
     use IdAttribut;
 
diff --git a/application/src/Entity/EntityInterface.php b/application/src/Entity/EntityInterface.php
new file mode 100644
index 0000000..46f551b
--- /dev/null
+++ b/application/src/Entity/EntityInterface.php
@@ -0,0 +1,12 @@
+<?php
+namespace App\Entity;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface EntityInterface
+{
+}
+
diff --git a/application/src/Entity/Source/SourceInterface.php b/application/src/Entity/Source/SourceInterface.php
index d993c99..b461b68 100644
--- a/application/src/Entity/Source/SourceInterface.php
+++ b/application/src/Entity/Source/SourceInterface.php
@@ -3,11 +3,12 @@ namespace App\Entity\Source;
 
 use App\Entity\Attribut\NodeAttributInterface;
 use App\Entity\Attribut\IdAttributInterface;
+use App\Entity\EntityInterface;
 
 /**
  *
  * @author kevinfrantz
  */
-interface SourceInterface extends IdAttributInterface, NodeAttributInterface
+interface SourceInterface extends IdAttributInterface, NodeAttributInterface, EntityInterface
 {
 }