1. IOR/L/MIL/14/3967 Reference (shelfmark): IOR/L/MIL/14/3967 Title: Collison, Charles Sydney Scope & Content: Number: OW 1Highest Rank: Lieutenant ColonelRegiment: Indian Electrical and Mechanical EngineersDate of commission: 20 Dec Emergency Commission 1927 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927-1948 Extent: 1 file