1. IOR/L/PS/18/B193 Reference (shelfmark): IOR/L/PS/18/B193 Title: The strategical aspect of railway construction in the Yun-nan and Ssu-Ch'uan provinces of China. General Staff Branch India, 23 Dec 1912 Collection Area: India Office Records and Private Papers Languages: English Date Range: 23 Dec 1912 Extent: 5pp