Changes

*[http://pahar.in/wpfb-file/1988-the-pundits-british-exploration-of-tibet-and-central-asia-by-waller-s-pdf/ ''The Pundits : British Exploration of Tibet and Central Asia''] by Derek Waller catalogued 1988, other indications are 1990. Pdf download, PAHAR Mountains of Central Asia Digital Dataset. If download button does not display, locate under Books/Tibet.

*[https://archive.org/details/trespassersonroo0000hopk ''Trespassers on the Roof of the World : the Secret Exploration of Tibet''] by Peter Hopkirk 1995. Archive.org Lending Library. Peter Hopkirk was with ''The Times of London'' for nineteen years, as chief reporter and Middle and Far East specialist.

==References==