1. IOR/L/PS/11/92, P 1898/1915 Reference (shelfmark): IOR/L/PS/11/92, P 1898/1915 Title: P 1898/1915 Correspondence regarding the Turco-Persian Frontier Supplementary Map Series and their transfer to the custody of the Survey of India Collection Area: India Office Records and Private Papers Languages: English Date Range: 23 Mar 1915-13 Apr 1916 Extent: 1 file