‘Sketches IX, X, XI’ ‘B. Gen. G. Pereira’s route from Yachowfu [雅州府] to Kwanhsien [灌縣] 19th Dec. 1921 to Jan. 1922 being part of his journey from Peking [北京] to Lhasa [拉薩].’ Sheet 'F'
Scope & Content:
Covers the route from Yachowfu to Kwanhsien, by way of Tsingkihsien [清溪縣], Tatsienlu [打箭爐] and Sinkaitze [新街子], all in Szechwan [四川] Province.
‘Sketches XII & XIII’ ‘B. Gen. G. Pereira’s route from Kwanhsien [灌縣] to Nan-P’ing [南坪] Jan. – Feb. 1922. being part of his journey from Peking [北京] to Lhasa [拉薩].’ Sheet 'G'
Scope & Content:
Covers the route northwards from Kwanhsien to Nanping , by way of Mowhsien [茂縣] and Songpan [松潘], both in Szechwan [四川] Province. Includes a table of stages and miles for the route.
‘Sketch XIV’ ‘B. Gen. G. Pereira’s route from Nan-P’ing [南坪] to Choni [卓尼] Feb – March 1922. being part of his journey from Peking [北京] to Lhasa [拉薩].’ Sheet 'H'
Scope & Content:
Covers the route northwards from Nanping, to Choni, by way of Minchow [岷州], all in Kansu [甘肅] Province. Includes a table of stages and miles for the route.
‘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.