1. IOR/L/MIL/14/10041 Reference (shelfmark): IOR/L/MIL/14/10041 Title: Mostert, Derrick de la Grange Scope & Content: Number: IA 364Highest Rank: MajorRegiment: Indian Armoured CorpsDate of commission: 29 Jan 1920 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920-1948 Extent: 1 file