diff --git a/chrome/content/zotero/xpcom/data/dataObject.js b/chrome/content/zotero/xpcom/data/dataObject.js
index 19ce3f9c8b..0615098335 100644
--- a/chrome/content/zotero/xpcom/data/dataObject.js
+++ b/chrome/content/zotero/xpcom/data/dataObject.js
@@ -74,6 +74,11 @@ Zotero.defineProperty(Zotero.DataObject.prototype, 'id', {
 Zotero.defineProperty(Zotero.DataObject.prototype, 'libraryID', {
 	get: function() this._libraryID
 });
+Zotero.defineProperty(Zotero.DataObject.prototype, 'library', {
+	get: function () {
+		return Zotero.Libraries.get(this._libraryID);
+	}
+});
 Zotero.defineProperty(Zotero.DataObject.prototype, 'key', {
 	get: function() this._key
 });
diff --git a/test/tests/dataObjectTest.js b/test/tests/dataObjectTest.js
index 29251a6d21..977138d140 100644
--- a/test/tests/dataObjectTest.js
+++ b/test/tests/dataObjectTest.js
@@ -3,6 +3,21 @@
 describe("Zotero.DataObject", function() {
 	var types = ['collection', 'item', 'search'];
 	
+	describe("#library", function () {
+		it("should return a Zotero.Library", function* () {
+			var item = yield createDataObject('item');
+			assert.equal(item.library, Zotero.Libraries.userLibrary);
+		});
+	});
+	
+	describe("#libraryID", function () {
+		it("should return a libraryID", function* () {
+			var item = yield createDataObject('item');
+			assert.isNumber(item.libraryID);
+			assert.equal(item.libraryID, Zotero.Libraries.userLibraryID);
+		});
+	});
+	
 	describe("#key", function () {
 		it("shouldn't update .loaded on get if unset", function* () {
 			for (let type of types) {