1. IOR/L/MIL/17/12/51 Reference (shelfmark): IOR/L/MIL/17/12/51 Title: Military report on the Subansiri river area 1920. Calcutta: GSI, 1921. Scope & Content: Map; Confidential Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921 Extent: [ii], 30p, 17cm