1. IOR/L/MIL/17/12/13 Reference (shelfmark): IOR/L/MIL/17/12/13 Title: Cochin port defence scheme. Simla: GSI, 1940. Scope & Content: Maps; Secret typescript Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: [7], xvii, 116p, 33cm