1. IOR/L/PS/11/166, P 375/1920 Reference (shelfmark): IOR/L/PS/11/166, P 375/1920 Title: P 375/1920 Persia: American opinion towards Anglo-Persian Treaty Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 Jan 1920-1 Apr 1920 Extent: 1 file