1. IOR/L/PS/11/292, P 4196/1928 Reference (shelfmark): IOR/L/PS/11/292, P 4196/1928 Title: P 4196/1928 Persian Gulf: question of blockade of ports Collection Area: India Office Records and Private Papers Languages: English Date Range: 23 May 1928-19 Feb 1929 Extent: 1 file