1. IOR/R/20/B/557 Reference (shelfmark): IOR/R/20/B/557 Title: File 54/1 Pt I of 1937 Warships: foreign warships: visit to Aden [15 colls Table of Contents] Collection Area: India Office Records and Private Papers Languages: English Date Range: 6 Mar 1937-19 Apr 1939 Extent: 1 file