1. IOR/R/20/B/2684-2780 Reference (shelfmark): IOR/R/20/B/2684-2780 Title: Chief Secretary: Ordinary files relating to the Eastern Aden Protecorate, Western Aden Protectorate and Kamaran Collection Area: India Office Records and Private Papers Languages: English Date Range: 1957-1964 Extent: 96 files