571. IOR/R/20/B/570 Reference (shelfmark): IOR/R/20/B/570 Title: File 56/2 of 1940 Reports and Returns: traffic in opium and other dangerous drugs: annual reports by governments who are members of the League of Nations Collection Area: India Office Records and Private Papers Languages: English Date Range: 29 Apr 1940-13 Mar 1941 Extent: 1 file
572. IOR/R/20/B/571 Reference (shelfmark): IOR/R/20/B/571 Title: File 56/2A Reports and Returns: Annual Reports on the traffic in opium and other dangerous drugs in Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 Mar 1940-14 Mar 1940 Extent: 1 file
573. IOR/R/20/B/572 Reference (shelfmark): IOR/R/20/B/572 Title: File 56/2B Reports and Returns: League of Nations: Minutes of the proceedings of the Advisory Committee on traffic in opium and other dangerous drugs Collection Area: India Office Records and Private Papers Languages: English Date Range: 4 Mar 1940-16 Mar 1940 Extent: 1 file
574. IOR/R/20/B/573 Reference (shelfmark): IOR/R/20/B/573 Title: File 56/3 Reports and Returns: submission of the monthly Lockup returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 19 May 1937-9 Aug 1937 Extent: 1 file
575. IOR/R/20/B/574 Reference (shelfmark): IOR/R/20/B/574 Title: File 56/4 of 1937 Reports and Returns: Trade and Navigation Report of Aden: [7 colls Table of Contents] Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 Oct 1936-2 Dec 1940 Extent: 1 file
576. IOR/R/20/B/575 Reference (shelfmark): IOR/R/20/B/575 Title: File 56/4 of 1940 Reports and Returns: Trade and Navigation Report of Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 31 Aug 1940-13 Jan 1944 Extent: 1 file
577. IOR/R/20/B/576 Reference (shelfmark): IOR/R/20/B/576 Title: File 56/4A Reports and Returns: Sale of Trade and Navigation Report of Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 Mar 1940-29 Nov 1940 Extent: 1 file
578. IOR/R/20/B/577 Reference (shelfmark): IOR/R/20/B/577 Title: File 56/5 Reports and Returns: annual administration report of the Salt Department Collection Area: India Office Records and Private Papers Languages: English Date Range: 22 Jul 1937-14 Aug 1937 Extent: 1 file
579. IOR/R/20/B/578 Reference (shelfmark): IOR/R/20/B/578 Title: File 56/6 Reports and Returns: report on the work of the Imperial Shipping Committee Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 May 1937-23 Aug 1939 Extent: 1 file
580. IOR/R/20/B/579 Reference (shelfmark): IOR/R/20/B/579 Title: File 56/7A of 1937 Reports and Returns: Annual Report on the Social and Economic Progress of the People of the Colony of Aden 1937 Collection Area: India Office Records and Private Papers Languages: English Date Range: 20 Jul 1938-18 Jan 1940 Extent: 1 file