1. IOR/R/20/B/621 Reference (shelfmark): IOR/R/20/B/621 Title: File 57/2 of 1937 Postal Matters: organisation of the departments of Posts and Telegraphs on the separation of Aden from India Collection Area: India Office Records and Private Papers Languages: English Date Range: 8 Oct 1936-20 Dec 1938 Extent: 1 file