1. IOR/L/MIL/14/20050 Reference (shelfmark): IOR/L/MIL/14/20050 Title: Rook, Frederick William Scope & Content: Number: OW 72Highest Rank: Assistant CommissaryommRegiment: Indian Army Service CorpsDate of commission: 20 Dec Emergency Commission 1927 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927-1948 Extent: 1 file