diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index 478f70a83..48d2c42c6 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -406,6 +406,7 @@ var ZoteroPane = new function()
 		_madeVisible = true;
 		
 		this.unserializePersist();
+		this.updateCollectionLookupToolbarButton();
 		this.updateLayout();
 		this.updateToolbarPosition();
 		this.updateTagSelectorSize();
@@ -947,6 +948,17 @@ var ZoteroPane = new function()
 		return collection.saveTx();
 	});
 	
+	this.showCollectionLookup = Zotero.Promise.coroutine(function* (parentKey) {
+		var collectionsLookupTextbox = document.getElementById('zotero-collection-lookup-textbox');
+		collectionsLookupTextbox.hidden = !collectionsLookupTextbox.hidden;
+		this.updateCollectionLookupToolbarButton();
+	});
+	this.updateCollectionLookupToolbarButton = function () {
+		var collectionsLookupTextbox = document.getElementById('zotero-collection-lookup-textbox');
+		var toolbarButton = document.getElementById('zotero-tb-show-collection-lookup');
+		toolbarButton.checked = !collectionsLookupTextbox.hidden;
+	};
+	
 	this.importFeedsFromOPML = Zotero.Promise.coroutine(function* (event) {
 		var nsIFilePicker = Components.interfaces.nsIFilePicker;
 		while (true) {
@@ -2445,6 +2457,10 @@ var ZoteroPane = new function()
 			id: "newCollection",
 			command: "cmd_zotero_newCollection"
 		},
+		{
+			id: "showCollectionLookup",
+			command: "cmd_zotero_showCollectionLookup"
+		},
 		{
 			id: "newSavedSearch",
 			command: "cmd_zotero_newSavedSearch"
@@ -4947,6 +4963,9 @@ var ZoteroPane = new function()
 		var serializedValues = Zotero.Prefs.get("pane.persist");
 		if(!serializedValues) return;
 		serializedValues = JSON.parse(serializedValues);
+		if (!serializedValues["zotero-collection-lookup-textbox"]) {
+			serializedValues["zotero-collection-lookup-textbox"] = { hidden: true }; // hidden by default.
+		}
 		for(var id in serializedValues) {
 			var el = document.getElementById(id);
 			if(!el) return;
diff --git a/chrome/content/zotero/zoteroPane.xul b/chrome/content/zotero/zoteroPane.xul
index e56d860dc..a090b9b1f 100644
--- a/chrome/content/zotero/zoteroPane.xul
+++ b/chrome/content/zotero/zoteroPane.xul
@@ -62,6 +62,7 @@
 		<command id="cmd_zotero_createTimeline" oncommand="Zotero_Timeline_Interface.loadTimeline();"/>
 		<command id="cmd_zotero_rtfScan" oncommand="window.openDialog('chrome://zotero/content/rtfScan.xul', 'rtfScan', 'chrome,centerscreen')"/>
 		<command id="cmd_zotero_newCollection" oncommand="ZoteroPane_Local.newCollection()"/>
+		<command id="cmd_zotero_showCollectionLookup" oncommand="ZoteroPane_Local.showCollectionLookup()"/>
 		<command id="cmd_zotero_newFeed_fromURL" oncommand="ZoteroPane_Local.newFeedFromURL()"/>
 		<command id="cmd_zotero_newSavedSearch" oncommand="ZoteroPane_Local.newSearch()"/>
 		<command id="cmd_zotero_newStandaloneNote" oncommand="ZoteroPane_Local.newNote(event.shiftKey);"/>
@@ -285,6 +286,7 @@
 					<menuseparator/>
 					<menuitem class="zotero-menuitem-show-duplicates" label="&zotero.toolbar.duplicate.label;"/>
 					<menuitem class="zotero-menuitem-show-unfiled" label="&zotero.collections.showUnfiledItems;"/>
+					<menuitem class="zotero-menuitem-show-collection-lookup" label="&zotero.toolbar.showCollectionLookup.label;"/>
 					<menuitem class="zotero-menuitem-edit-collection"/>
 					<menuitem class="zotero-menuitem-mark-read-feed" label="&zotero.toolbar.markFeedRead.label;"/>
 					<menuitem class="zotero-menuitem-edit-feed" label="&zotero.toolbar.feeds.edit;"/>
@@ -344,7 +346,8 @@
 					<box id="zotero-collections-tree-shim"/>
 					<!-- This extra vbox prevents the toolbar from getting compressed when resizing
 							the tag selector to max height -->
-					<textbox id="collections-lookup-textbox" flex="0" type="search" timeout="250" dir="reverse"
+					<textbox id="zotero-collection-lookup-textbox" flex="0" type="search" timeout="250" dir="reverse"
+zotero-persist="hidden"
 						oncommand="document.getBindingParent(this).handleKeyPress(); event.stopPropagation()"
 						onkeypress="if (event.keyCode == event.DOM_VK_ESCAPE) { document.getBindingParent(this).handleKeyPress(true); }"/>
 					<tree id="zotero-collections-tree"
diff --git a/chrome/skin/default/zotero/overlay.css b/chrome/skin/default/zotero/overlay.css
index 25e943934..8759d7b12 100644
--- a/chrome/skin/default/zotero/overlay.css
+++ b/chrome/skin/default/zotero/overlay.css
@@ -375,7 +375,7 @@
 	list-style-image: url('chrome://zotero/skin/library_add.png');
 }
 
-#zotero-tb-collection-lookup
+#zotero-tb-show-collection-lookup
 {
 	list-style-image: url('chrome://zotero/skin/toolbar-advanced-search.png');
 }