The following has been added to the Zotero Group for Ancient World Open Bibliographies and the Ancient World Open Bibliographies Wiki.
East Asian Archaeology
Bibliography, Antiquities of Zhang Zhung
http://www.thlib.org/bellezza/#spt=SPT–BrowseResources.php?ParentId=1634
John Vincent Bellezza, Tibet Center, University of Virginia
Updated 2011.
A 59 item bibliography on the archaic period (1000 BCE to 1000 CE) in Upper Tibet, including works in English, French, Italian, and (I think) Tibetan, some annotated.
Ancient World Open Bibliographies 