1. IOR/L/MIL/5/402, Coll 203a Reference (shelfmark): IOR/L/MIL/5/402, Coll 203a Title: Military Department Special Collections: Collection 203a Scope & Content: Copy correspondence, minutes and proceedings on the Bengal Corps of Sappers & Miners Collection Area: India Office Records and Private Papers Languages: English Date Range: 1817-1829 Extent: 1 file