"Tibet: A Chronicle of Exploration", (1970) Routledge & Kegan Paul, London, SBN 7100-6615-5* "Passport Books: Tibet" (1986) Shangri-La Press* Rockhill, William Woodville "Journey of William of Rubruck to The Eastern Parts of the World: 1253–1255",(1900) Bedford Press, London, SBN 7100-6615-5* Teltscher, Kate.
"Tibet: A Chronicle of Exploration", (1970) Routledge & Kegan Paul, London, SBN 7100-6615-5* "Passport Books: Tibet" (1986) Shangri-La Press* Rockhill, William Woodville "Journey of William of Rubruck to The Eastern Parts of the World: 1253–1255",(1900) Bedford Press, London, SBN 7100-6615-5* Teltscher, Kate.