1. IOR/L/E/7/1229, File 1520 Reference (shelfmark): IOR/L/E/7/1229, File 1520 Title: File 1520 School of Mines and Geology at Dhanbad: appointment of D Penman Collection Area: India Office Records and Private Papers Languages: English Date Range: 24 Jul 1920-23 May 1927 Extent: 1 file