1. IOR/V/27/700/4 Reference (shelfmark): IOR/V/27/700/4 Title: India. Public Works Department, Engineering Conference, Simla 1913 Vol. 4 Plans relating to papers in Vol. 1. Calcutta, Simla, 1915 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915 Extent: 1 volume