1. IOR/L/PS/11/236, P 3441/1923 Reference (shelfmark): IOR/L/PS/11/236, P 3441/1923 Title: P 3441/1923 Persia: projected British concession for an air mail service Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 Sep 1923-27 Nov 1923 Extent: 1 file