1. IOR/L/MIL/17/20/10 Reference (shelfmark): IOR/L/MIL/17/20/10 Title: Routes in Yun-nan. Calcutta: GSI, 1919. Scope & Content: Map; Confidential. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919 Extent: viii, 781p, 18cm