1. IOR/R/20/B/559 Reference (shelfmark): IOR/R/20/B/559 Title: File 54/1 of 1940 Warships: foreign warships: visit to Aden [3 colls] Collection Area: India Office Records and Private Papers Languages: English Date Range: 6 Feb 1940-22 May 1940 Extent: 1 file