1. IOR/L/PS/20/D239 Reference (shelfmark): IOR/L/PS/20/D239 Title: Examination of the Burmo-China boundary north of latitude 25∫ 35'. [Govt of India Foreign Dept Secret External Proceedings, no 159, 17 August 1905] Simla: Foreign Dept, 1905 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905 Extent: 5 maps