1. IOR/L/PS/11/152, P 2890/1919 Reference (shelfmark): IOR/L/PS/11/152, P 2890/1919 Title: P 2890/1919 Persia: wireless installations at Teheran Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 May 1919-7 Jun 1921 Extent: 1 file