List of books, suggested reading etc:
Fleming, P. (1936) News from Tartary: A Journey from Peking to Kashmir London: Jonathan Cape. First edition
Bridges, Lucas, (1948) Uttermost Part of the Earth, originally published by Hodder & Stoughton, London, 1948. Re-issued, with an introduction by Gavin Young, Century, London, 1987, ISBN 0-7126-1493-1.
Whitfield, Susan (1999) Life Along The Silk Road University of California Press
Many of the items listed here, and mentioned on my website, are held by DominicOrr.com, in an archive.