1. IOR/L/PS/11/227, P 4403/1922 Reference (shelfmark): IOR/L/PS/11/227, P 4403/1922 Title: P 4403/1922 The oil concession in Mokalla Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Jul 1922-25 Jul 1929 Extent: 1 file