1. IOR/L/MIL/14/3989 Reference (shelfmark): IOR/L/MIL/14/3989 Title: Cook, John Preston Scope & Content: Number: OS 272Highest Rank: CaptainRegiment: Indian Army Ordnance CorpsDate of commission: 24 Jul 1919 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919-1948 Extent: 1 file