1. IOR/L/MIL/17/18/19 Reference (shelfmark): IOR/L/MIL/17/18/19 Title: Military report on the Dibang Valley. Simla: GSI, 1919. Scope & Content: Map; For official use only Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919 Extent: i, 40p, 18cm