1. IOR/L/MIL/17/5/1788 Reference (shelfmark): IOR/L/MIL/17/5/1788 Title: Report of the Defended Ports Technical Committee 1929. Delhi: GSI, 1930. Scope & Content: diagrams, maps, Secret Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930 Extent: 204p, 33cm