1. IOR/L/PS/11/169, P 1543/1920 Reference (shelfmark): IOR/L/PS/11/169, P 1543/1920 Title: P 1543/1920 Tibet: request of the Royal Geographical Society to be informed of the Indo-Tibet frontier line Collection Area: India Office Records and Private Papers Languages: English Date Range: 26 Feb 1920-17 Jul 1920 Extent: 1 file