1. IOR/L/PS/11/91, P 1203/1915 Reference (shelfmark): IOR/L/PS/11/91, P 1203/1915 Title: P 1203/1915 Persian Gulf: correspondence of Messrs Wonckhaus' agent at Bahrein Collection Area: India Office Records and Private Papers Languages: English Date Range: 2 Sep 1914-4 Mar 1915 Extent: 1 file