1. IOR/L/MIL/14/2255 Reference (shelfmark): IOR/L/MIL/14/2255 Title: O'brien, Henry James Ronald Scope & Content: Number: IA 228Highest Rank: Lieutenant ColonelRegiment: Royal Indian Army Service CorpsDate of commission: 29 Jan 1927Date of release: 2 Dec Emergency Commission 1947 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927-1947 Extent: 1 file