1. IOR/L/PS/11/135, P 2220/1918 Reference (shelfmark): IOR/L/PS/11/135, P 2220/1918 Title: P 2220/1918 German attempts to secure concessions in Persia Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 May 1918-24 May 1918 Extent: 1 file