581. IOR/R/20/B/580 Reference (shelfmark): IOR/R/20/B/580 Title: File 56/7A of 1938 Reports and Returns: Report on the Social and Economic Progress of the People of the Colony of Aden 1938 Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Jan 1939-18 Jun 1940 Extent: 1 file
582. IOR/R/20/B/581 Reference (shelfmark): IOR/R/20/B/581 Title: File 56/7B Pt I of 1937 Reports and Returns: compilation of the Aden Blue Book, 1937 Collection Area: India Office Records and Private Papers Languages: English Date Range: 21 Jan 1938-23 Feb 1939 Extent: 1 file
583. IOR/R/20/B/582 Reference (shelfmark): IOR/R/20/B/582 Title: File 56/7B Pt II of 1938 Reports and Returns: compilation of the Aden Blue Book, 1937 [15 colls] Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Feb 1939-17 Jun 1940 Extent: 1 file
584. IOR/R/20/B/583 Reference (shelfmark): IOR/R/20/B/583 Title: File 56/7B Pt III Reports and Returns: The Aden Blue Book, 1937 Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 Dec 1939 Extent: 1 file
585. IOR/R/20/B/584 Reference (shelfmark): IOR/R/20/B/584 Title: File 56/7B of 1938 Reports and Returns: The Aden Blue Book 1938 Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Jan 1939-14 Feb 1940 Extent: 1 file
586. IOR/R/20/B/585 Reference (shelfmark): IOR/R/20/B/585 Title: File 56/7B of 1939 Reports and Returns: The Aden Blue Book, 1939 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1 Dec 1939-8 May 1940 Extent: 1 file
587. IOR/R/20/B/586 Reference (shelfmark): IOR/R/20/B/586 Title: File 56/7B Reports and Returns: material for the Aden Blue Book, 1945 Collection Area: India Office Records and Private Papers Languages: English Date Range: c 1945 Extent: 1 file
588. IOR/R/20/B/587 Reference (shelfmark): IOR/R/20/B/587 Title: File 56/7 of 1940 Reports and Returns: Annual Report of the Colony of Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 Jan 1940-4 Mar 1946 Extent: 1 file
589. IOR/R/20/B/588 Reference (shelfmark): IOR/R/20/B/588 Title: File 56/7 of 1939 Reports and Returns: Gazette Extraordinary, Colony of Mauritius, Jan-Dec 1939, nos 1-130 [incomplete] Collection Area: India Office Records and Private Papers Languages: English Date Range: c 1939 Extent: 1 file
590. IOR/R/20/B/589 Reference (shelfmark): IOR/R/20/B/589 Title: File 56/8 Reports and Returns: vaccination returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 15 Jan 1940-31 Dec 1940 Extent: 1 file