diff --git a/core/modules/link/src/Plugin/Field/FieldType/LinkItem.php b/core/modules/link/src/Plugin/Field/FieldType/LinkItem.php
index 6e98ae2..fa7817c 100644
--- a/core/modules/link/src/Plugin/Field/FieldType/LinkItem.php
+++ b/core/modules/link/src/Plugin/Field/FieldType/LinkItem.php
@@ -32,7 +32,8 @@ class LinkItem extends FieldItemBase implements LinkItemInterface {
   public static function defaultFieldSettings() {
     return array(
       'title' => DRUPAL_OPTIONAL,
-      'link_type' => LinkItemInterface::LINK_GENERIC
+      'link_type' => LinkItemInterface::LINK_GENERIC,
+      'content_types' => array()
     ) + parent::defaultFieldSettings();
   }
 
@@ -108,6 +109,20 @@ public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
         DRUPAL_REQUIRED => t('Required'),
       ),
     );
+    
+    // Get a list of content types.
+    $contentTypes = \Drupal::service('entity.manager')->getStorage('node_type')->loadMultiple();
+    $contentTypesList = [];
+    foreach ($contentTypes as $contentType) {
+      $contentTypesList[$contentType->id()] = $contentType->label();
+    }
+    // Add checkboxes for selecting content types to filter by.
+    $element['content_types'] = array(
+      '#type' => 'checkboxes',
+      '#title' => t('Content Types for Internal Links'),
+      '#default_value' => $this->getSetting('content_types'),
+      '#options' => $contentTypesList
+    );
 
     return $element;
   }
diff --git a/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php b/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
index fd670fd..80411a9 100644
--- a/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
+++ b/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
@@ -184,6 +184,31 @@ public function formElement(FieldItemListInterface $items, $delta, array $elemen
       // @todo The user should be able to select an entity type. Will be fixed
       //    in https://www.drupal.org/node/2423093.
       $element['uri']['#target_type'] = 'node';
+      // If limiting content types are selected in the settings, update the query.
+      if ($content_types = $this->getFieldSetting('content_types')) {
+        // Massage array values into format selections settings array expects.
+        foreach ($content_types as $key => $type) {
+          if ($type == '0') {
+            unset($content_types[$key]);
+          }
+          else {
+            $content_types[$key] = $key;
+          }
+        }
+        // Update selections settings to include limited list of content types.
+        if (!empty($content_types)) {
+          $element['uri']['#selection_handler'] = 'default:node';
+          $element['uri']['#selection_settings'] = [
+            'target_bundles' => $content_types,
+            'sort' => [
+              'field' => '_none',
+            ],
+            'auto_create' => FALSE,
+            'auto_create_bundle' => FALSE,
+            'match_operator' => 'CONTAINS',
+          ];
+        }
+      }
       // Disable autocompletion when the first character is '/', '#' or '?'.
       $element['uri']['#attributes']['data-autocomplete-first-character-blacklist'] = '/#?';