1. IOR/L/MIL/14/4016 Reference (shelfmark): IOR/L/MIL/14/4016 Title: Costigan, Richard Scope & Content: Number: OS 165Highest Rank: Temporary CaptainRegiment: Indian Army Ordnance CorpsDate of commission: 27 Sep 1922 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922-1948 Extent: 1 file