1. IOR/L/PS/20/A56/1 Reference (shelfmark): IOR/L/PS/20/A56/1 Title: Routes from Russian territory in Central Asia towards Afghanistan and India. Section 1. The Pamir line of advance. By Lt W R Robertson, Intelligence Branch Simla: Intelligence Branch, Quarter Master General's Dept India, 1893 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893 Extent: 2 maps (in pocket)