diff --git a/chrome/content/zotero/bindings/itembox.xml b/chrome/content/zotero/bindings/itembox.xml
index d976e33ca9..b892670d21 100644
--- a/chrome/content/zotero/bindings/itembox.xml
+++ b/chrome/content/zotero/bindings/itembox.xml
@@ -1421,6 +1421,7 @@
 					
 					if (creatorField=='lastName') {
 						t.setAttribute('fieldMode', elem.getAttribute('fieldMode'));
+						t.setAttribute('newlines','pasteintact');
 					}
 					
 					if (Zotero.ItemFields.isMultiline(fieldName) || Zotero.ItemFields.isLong(fieldName)) {
@@ -1695,9 +1696,67 @@
 						
 						var otherFields = this.getCreatorFields(row);
 						otherFields[creatorField] = value;
+						var lastName = otherFields.lastName;
 						
-						this.modifyCreator(creatorIndex, otherFields);
-						
+						//Handle \n\r and \n delimited entries
+						var rawNameArray = lastName.split(/\r\n?|\n/);
+						if (rawNameArray.length > 1) {
+							//Save tab direction and add creator flags since they are reset in the 
+							//process of adding multiple authors
+							var tabDirectionBuffer = this._tabDirection;
+							var addCreatorRowBuffer = this._addCreatorRow;
+							var tabIndexBuffer = this._lastTabIndex;
+							this._tabDirection = false;
+							this._addCreatorRow = false;
+							
+							//Filter out bad names
+							var nameArray = [tempName for each(tempName in rawNameArray) if(tempName)];
+							
+							//If not adding names at the end of the creator list, make new creator 
+							//entries and then shift down existing creators.
+							var initNumCreators = this.item.numCreators();
+							var creatorsToShift = initNumCreators - creatorIndex;
+							if (creatorsToShift > 0) { 
+								//Add extra creators
+								for (var i=0;i<nameArray.length;i++) {
+									this.modifyCreator(i+initNumCreators,otherFields);
+								}
+								
+								//Shift existing creators
+								for (var i=initNumCreators-1; i>=creatorIndex; i--) {
+									var shiftedCreator = this.item.getCreator(i);
+									this.item.setCreator(nameArray.length+i,shiftedCreator.ref,shiftedCreator.creatorTypeID);
+								}
+							}
+							
+							//Add the creators in lastNameArray one at a time
+							for each(tempName in nameArray) {
+								// Check for tab to determine creator name format
+								otherFields.fieldMode = (tempName.indexOf('\t') == -1) ? 1 : 0;
+								if (otherFields.fieldMode == 0) {
+									otherFields.lastName=tempName.split('\t')[0];
+									otherFields.firstName=tempName.split('\t')[1];
+								} 
+								else {
+									otherFields.lastName=tempName;
+									otherFields.firstName='';
+								}
+								this.modifyCreator(creatorIndex,otherFields);
+								creatorIndex++;
+							}
+							this._tabDirection = tabDirectionBuffer;
+							this._addCreatorRow = (creatorsToShift==0) ? addCreatorRowBuffer : false;
+							if (this._tabDirection == 1) {
+								this._lastTabIndex = parseInt(tabIndexBuffer,10) + 2*(nameArray.length-1);
+								if (otherFields.fieldMode == 0) {
+									this._lastTabIndex++;
+								}
+							}
+						}
+						else {
+							this.modifyCreator(creatorIndex, otherFields);
+						}
+	
 						var val = this.item.getCreator(creatorIndex);
 						val = val ? val.ref[creatorField] : null;
 						
diff --git a/chrome/content/zotero/bindings/tagsbox.xml b/chrome/content/zotero/bindings/tagsbox.xml
index a859616cbd..50ef77e363 100644
--- a/chrome/content/zotero/bindings/tagsbox.xml
+++ b/chrome/content/zotero/bindings/tagsbox.xml
@@ -293,6 +293,7 @@
 					t.setAttribute('fieldname', fieldName);
 					t.setAttribute('ztabindex', tabindex);
 					t.setAttribute('flex', '1');
+                    t.setAttribute('newlines','pasteintact');
 					
 					// Add auto-complete
 					t.setAttribute('type', 'autocomplete');
@@ -410,12 +411,9 @@
 					
 					var fieldName = 'tag';
 					var tabindex = textbox.getAttribute('ztabindex');
-					
-					//var value = t.value;
+
 					var value = textbox.value;
 					
-					var elem;
-					
 					var tagsbox = Zotero.getAncestorByTagName(textbox, 'tagsbox');
 					if (!tagsbox)
 					{
@@ -429,38 +427,78 @@
 					// Tag id encoded as 'tag-1234'
 					var id = row.getAttribute('id').split('-')[1];
 					
+					var tagArray = value.split(/\r\n?|\n/);
+					
 					if (saveChanges) {
-						if (id) {
+						if (id && (tagArray.length < 2)) {
 							if (value) {
-								// If trying to replace with another existing tag
-								// (which causes a delete of the row),
-								// clear the tab direction so we don't advance
-								// when the notifier kicks in
-								var existing = Zotero.Tags.getID(value, 0);
-								if (existing && id != existing) {
-									this._tabDirection = false;
-								}
+								var origTagIndex = this.item.getTagIndex(id);
 								var changed = tagsbox.replace(id, value);
 								if (changed) {
-									return;
+									var newTagIndex = this.item.getTagIndex(changed);
+									if (newTagIndex>origTagIndex) {
+										if (this._tabDirection == 1) {
+											this._lastTabIndex--;
+										}
+									}
+									else if (newTagIndex<origTagIndex) {
+										if (this._tabDirection == -1) {
+											this._lastTabIndex++;
+										}
+									}
+								} 
+								else if (value != Zotero.Tags.getName(id)) {
+									if (this._tabDirection == 1) {
+										this._lastTabIndex -= 1;
+									}
 								}
 							}
-							else {
-								tagsbox.remove(id);
-								return;
-							}
 						}
 						// New tag
 						else {
-							var id = tagsbox.add(value);
-							if (!id) {
+							//Check for newlines or carriage returns used as delimiters
+							//in a series of tags added at once.  Add each tag
+							//separately.
+							if (tagArray.length > 1) {
+								var extremeTag = false;
+								var nextTag = false;
+								if (this._tabDirection == -1) {
+									if (this._lastTabIndex == 1) {
+										extremeTag = true;
+									} else {
+										nextTag = row.previousSibling.getAttribute('id').split('-')[1];
+									}
+								} else if (this._tabDirection == 1) {
+									if (this._lastTabIndex >= this.item.getTags().length) {
+										extremeTag = true;
+									} else {
+										nextTag = row.nextSibling.getAttribute('id').split('-')[1];
+									}
+								}
+								
+								id = this.item.addTags(tagArray);
+								
+								if (extremeTag) {
+									if (this._tabDirection == 1) {
+										this._lastTabIndex = this.item.getTags().length;
+									} else if (this._tabDirection == -1) {
+										this._lastTabIndex = 2;
+									}
+								} else {
+									this._lastTabIndex = this.item.getTagIndex(nextTag)+1-this._tabDirection;
+								}
+							}
+							else {
+								id = tagsbox.add(value);
+							}
+							if (!id && (this._tabDirection==1)) {
 								this._lastTabIndex--;
 							}
 						}
 					}
 					
 					if (id) {
-						elem = this.createValueElement(
+						var elem = this.createValueElement(
 							value,
 							tabindex
 						);
@@ -478,7 +516,6 @@
 						catch (e) {}
 					}
 					
-					var focusMode = 'tags';
 					var focusBox = tagsbox;
 					
 					if (this._tabDirection) {
diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index b60b1136ad..0bbe2a403d 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -1605,7 +1605,7 @@ Zotero.Item.prototype.save = function() {
 				'libraryID',
 				'key'
 			];
-			for each(field in updateFields) {
+			for each(var field in updateFields) {
 				if (this._changedPrimaryData && this._changedPrimaryData[field]) {
 					sql += field + '=?, ';
 					sqlValues.push(this.getField(field));
@@ -3553,10 +3553,19 @@ Zotero.Item.prototype.addTag = function(name, type) {
 Zotero.Item.prototype.addTags = function (tags, type) {
 	Zotero.DB.beginTransaction();
 	try {
-		for each(var tag in tags) {
-			this.addTag(tag, type);
+		var tagIDArray = [];
+		var tempID = false;
+		for (var i = 0; i < tags.length; i++) {
+			tempID = this.addTag(tags[i], type);
+			if (tempID) {
+				tagIDArray.push(tempID);
+			}
 		}
+		
+		tagIDArray = (tagIDArray.length>0) ? tagIDArray : false;
+		
 		Zotero.DB.commitTransaction();
+		return tagIDArray;
 	}
 	catch (e) {
 		Zotero.DB.rollbackTransaction();
@@ -3638,6 +3647,21 @@ Zotero.Item.prototype.getTagIDs = function() {
 	return Zotero.DB.columnQuery(sql, this.id);
 }
 
+/**
+* Return the index of tagID in the list of the item's tags sorted in alphabetical order.
+*/
+Zotero.Item.prototype.getTagIndex = function(tagID) {
+	var tags = this.getTags();
+	
+	for (var i=0;i<tags.length;i++) {
+		if (tagID == tags[i].id) {
+			return i;
+		}
+	}
+	
+	return false;
+}
+
 Zotero.Item.prototype.replaceTag = function(oldTagID, newTag) {
 	if (!this.id) {
 		throw ('Cannot replace tag on unsaved item');