diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index 289dedd51f..f6eea86b90 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -492,6 +492,14 @@
  * @property {string} key Bing Maps API key. Get yours at
  *     http://bingmapsportal.com/.
  * @property {string} style Style.
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
+ */
+
+/**
+ * @typedef {Object} ol.source.MapQuestOptions
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
  */
 
 /**
@@ -506,6 +514,8 @@
  * @property {ol.Attribution|undefined} attribution Attribution.
  * @property {Array.<ol.Attribution>|undefined} attributions Attributions.
  * @property {number|undefined} maxZoom Max zoom.
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
  * @property {string|undefined} url URL.
  */
 
@@ -536,6 +546,8 @@
  * @property {number|undefined} minZoom Minimum zoom.
  * @property {number|undefined} maxZoom Maximum zoom.
  * @property {boolean|undefined} opaque Whether the layer is opaque.
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
  * @property {string|undefined} url URL.
  */
 
@@ -555,6 +567,8 @@
  * @typedef {Object} ol.source.TileJSONOptions
  * @property {null|string|undefined} crossOrigin crossOriin setting for image
  *     requests.
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
  * @property {string} url URL.
  */
 
@@ -573,6 +587,8 @@
  * @property {ol.tilegrid.TileGrid|undefined} tileGrid Tile grid.
  * @property {number|undefined} maxZoom Maximum zoom.
  * @property {ol.proj.ProjectionLike} projection Projection.
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
  * @property {string|undefined} url WMS service URL.
  * @property {Array.<string>|undefined} urls WMS service urls. Use this instead
  *     of `url` when the WMS supports multiple urls for GetMap requests.
@@ -632,6 +648,8 @@
  * @property {Object|undefined} dimensions Dimensions.
  * @property {string|undefined} url URL.
  * @property {number|undefined} maxZoom Maximum zoom.
+ * @property {ol.TileLoadFunctionType|undefined} tileLoadFunction Optional
+ *     function to load a tile given a URL.
  * @property {Array.<string>|undefined} urls Urls.
  */
 
diff --git a/src/ol/source/bingmapssource.js b/src/ol/source/bingmapssource.js
index 7b75a68b3c..29b3b456ea 100644
--- a/src/ol/source/bingmapssource.js
+++ b/src/ol/source/bingmapssource.js
@@ -24,7 +24,8 @@ ol.source.BingMaps = function(options) {
   goog.base(this, {
     crossOrigin: 'anonymous',
     opaque: true,
-    projection: ol.proj.get('EPSG:3857')
+    projection: ol.proj.get('EPSG:3857'),
+    tileLoadFunction: options.tileLoadFunction
   });
 
   /**
diff --git a/src/ol/source/mapquestsource.js b/src/ol/source/mapquestsource.js
index c7b2bce931..fb5b60f5a0 100644
--- a/src/ol/source/mapquestsource.js
+++ b/src/ol/source/mapquestsource.js
@@ -10,8 +10,11 @@ goog.require('ol.source.XYZ');
 /**
  * @constructor
  * @extends {ol.source.XYZ}
+ * @param {ol.source.MapQuestOptions=} opt_options MapQuest options.
  */
-ol.source.MapQuestOSM = function() {
+ol.source.MapQuestOSM = function(opt_options) {
+
+  var options = goog.isDef(opt_options) ? opt_options : {};
 
   var attributions = [
     new ol.Attribution({
@@ -27,6 +30,7 @@ ol.source.MapQuestOSM = function() {
     logo: 'http://developer.mapquest.com/content/osm/mq_logo.png',
     opaque: true,
     maxZoom: 28,
+    tileLoadFunction: options.tileLoadFunction,
     url: 'http://otile{1-4}.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.jpg'
   });
 
@@ -38,8 +42,11 @@ goog.inherits(ol.source.MapQuestOSM, ol.source.XYZ);
 /**
  * @constructor
  * @extends {ol.source.XYZ}
+ * @param {ol.source.MapQuestOptions=} opt_options MapQuest options.
  */
-ol.source.MapQuestOpenAerial = function() {
+ol.source.MapQuestOpenAerial = function(opt_options) {
+
+  var options = goog.isDef(opt_options) ? opt_options : {};
 
   var attributions = [
     new ol.Attribution({
@@ -58,6 +65,7 @@ ol.source.MapQuestOpenAerial = function() {
     logo: 'http://developer.mapquest.com/content/osm/mq_logo.png',
     maxZoom: 18,
     opaque: true,
+    tileLoadFunction: options.tileLoadFunction,
     url: 'http://oatile{1-4}.mqcdn.com/tiles/1.0.0/sat/{z}/{x}/{y}.jpg'
   });
 
diff --git a/src/ol/source/osmsource.js b/src/ol/source/osmsource.js
index cab05acca9..808a172555 100644
--- a/src/ol/source/osmsource.js
+++ b/src/ol/source/osmsource.js
@@ -31,6 +31,7 @@ ol.source.OSM = function(opt_options) {
     crossOrigin: 'anonymous',
     opaque: true,
     maxZoom: options.maxZoom,
+    tileLoadFunction: options.tileLoadFunction,
     url: url
   });
 
diff --git a/src/ol/source/stamensource.js b/src/ol/source/stamensource.js
index 1486aa0d98..27bc6eb90e 100644
--- a/src/ol/source/stamensource.js
+++ b/src/ol/source/stamensource.js
@@ -103,6 +103,7 @@ ol.source.Stamen = function(options) {
     // FIXME uncomment the following when tilegrid supports minZoom
     //minZoom: providerConfig.minZoom,
     opaque: layerConfig.opaque,
+    tileLoadFunction: options.tileLoadFunction,
     url: url
   });
 
diff --git a/src/ol/source/tilejsonsource.js b/src/ol/source/tilejsonsource.js
index 9d790cb942..879e68d4a5 100644
--- a/src/ol/source/tilejsonsource.js
+++ b/src/ol/source/tilejsonsource.js
@@ -45,7 +45,8 @@ ol.source.TileJSON = function(options) {
 
   goog.base(this, {
     crossOrigin: options.crossOrigin,
-    projection: ol.proj.get('EPSG:3857')
+    projection: ol.proj.get('EPSG:3857'),
+    tileLoadFunction: options.tileLoadFunction
   });
 
   /**
diff --git a/src/ol/source/tilewmssource.js b/src/ol/source/tilewmssource.js
index 91013494fa..3d7ea4b3cb 100644
--- a/src/ol/source/tilewmssource.js
+++ b/src/ol/source/tilewmssource.js
@@ -98,6 +98,7 @@ ol.source.TileWMS = function(options) {
     tileGrid: options.tileGrid,
     opaque: !transparent,
     projection: options.projection,
+    tileLoadFunction: options.tileLoadFunction,
     tileUrlFunction: ol.TileUrlFunction.withTileCoordTransform(
         tileCoordTransform, tileUrlFunction)
   });
diff --git a/src/ol/source/wmtssource.js b/src/ol/source/wmtssource.js
index 47a64fa2f5..e229d1db9c 100644
--- a/src/ol/source/wmtssource.js
+++ b/src/ol/source/wmtssource.js
@@ -179,6 +179,7 @@ ol.source.WMTS = function(options) {
     extent: options.extent,
     projection: options.projection,
     tileGrid: tileGrid,
+    tileLoadFunction: options.tileLoadFunction,
     tileUrlFunction: tileUrlFunction
   });