‘Sketch 4’ ‘B. Gen. G. Pereira’s route from Chü-Tien [巨甸] to A-Tun-Tzu [阿墩子] Aug. 1923.’ Sheet 'T'.
Scope & Content:
Covers the route west from Tsutien (巨甸) to Weisi (維西), then northwards to Atuntze (阿墩子) by way of Kongpu (康普) and Tseku (茨古), all in Yunnan (雲南) Province.
‘Sketches 5 & 6’ ‘B. Gen. G. Pereira’s route from A-Tun-Tzu [阿墩子] to Batang [巴搪]. Sept. 1923.’ Sheet 'U'.
Scope & Content:
Covers a route through the border regions of Yunnan (雲南), Tibet (西藏) and Szechwan (四川), proceeding northwards from Atuntze (阿墩子) by way of Yakalo and Bamutang (邦木塘?) to Batang. Includes tables of stages and miles.
‘Sketch to shew Père Nussbaum’s journeys'. Sheet 'V'.
Scope & Content:
Covers the area around and to the north of Batang (巴搪). Père Nussbaum was a Catholic missionary active in western Tibet. Indicates the line of the China-Tibet frontier. Includes, on the same sheet, ‘Père Nussbaum’s route (Pa-mu-tang [邦木塘?] to Dong).’ Scale 1:1,267,200.