1. IOR/L/MIL/14/1789 Reference (shelfmark): IOR/L/MIL/14/1789 Title: Knowles, Geoffrey Scope & Content: Number: IA 199Highest Rank: Lieutenant ColonelRegiment: Indian Armoured Corps ; 21 C (F F) ; 3 Gwalior R;Date of commission: 29 Jan 1920Date of release: (17 Nov 1947) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920-1947 Extent: 1 file