1. IOR/R/20/B/574 Reference (shelfmark): IOR/R/20/B/574 Title: File 56/4 of 1937 Reports and Returns: Trade and Navigation Report of Aden: [7 colls Table of Contents] Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 Oct 1936-2 Dec 1940 Extent: 1 file