‘Sketches XV, XVI, XVII’ ‘B. Gen. G. Pereira’s route from Choni [卓尼] to Tangar, Kansu [丹噧爾, 甘肅]. 7th March to 18th April 1922. being part of his journey from Peking [北京] to Lhasa [拉薩].’ Sheet 'J'
Scope & Content:
Covers the route northwards from Choni, to Tangar, by way of Titao [狄道], Lanchow [蘭州] and Sining [西寧] all in Kansu [甘肅] Province. Includes a table of stages and miles for the route.
‘B. Gen. G. Pereira’s route from Tangar [丹噧爾] to Jyekundo [結古多]. 11th May to 23rd June 1922. being part of his journey from Peking [北京] to Lhasa [拉薩].’ Sheet 'K'.
Scope & Content:
Covers the route south-westwards from Tangar to Jyekundo, by way of the Amne Machin Mountains [阿尼瑪卿山] in Tsinghai [青海] Province.
‘B. Gen. G. Pereira’s route from Jyekundo [結古多] to Chamdo [昌都] (Tibet) 4th July to 28th July 1922. being part of his journey from Peking [北京] to Lhasa [拉薩].’ Sheet 'L'.
Scope & Content:
Covers the route south from Jyekundo to Chamdo, Tibet [西藏].