1. WOMAT/RAS/CHI/460/1/13 Reference (shelfmark): WOMAT/RAS/CHI/460/1/13 Title: Sheet N maps and notes. Collection Area: Map Collections Languages: English Date Range: 1922 Extent: 1 map sheet and 1 folio.
2. WOMAT/RAS/CHI/460/1/13/2 Reference (shelfmark): WOMAT/RAS/CHI/460/1/13/2 Title: Notes to sheet N. Collection Area: Map Collections Languages: English Date Range: 1922 Extent: 1 folio
3. WOMAT/RAS/CHI/460/1/13/1 Reference (shelfmark): WOMAT/RAS/CHI/460/1/13/1 Title: ‘B. Gen. G. Pereira’s route from Lhasa [拉薩] to Gangtok [甘托克] (India). 1922.’ Sheet 'N'. Scope & Content: Covers the route south-west from Lhasa, Tibet [西藏] to Gangtok, Sikkim [甘托克, 錫金], by way of Gyantse [江孜]. Collection Area: Map Collections Languages: English Date Range: 1922 Extent: 1 map sheet