551. IOR/R/20/B/550 Reference (shelfmark): IOR/R/20/B/550 Title: File 50/4 Infectious Diseases: Yellow Fever Collection Area: India Office Records and Private Papers Languages: English Date Range: 16 Jan 1939-27 Jul 1939 Extent: 1 file
552. IOR/R/20/B/551 Reference (shelfmark): IOR/R/20/B/551 Title: File 50/5 Infectious Diseases: discontinuance of epidemiological intelligence Collection Area: India Office Records and Private Papers Languages: English Date Range: 30 Nov 1940-6 Mar 1943 Extent: 1 file
553. IOR/R/20/B/552 Reference (shelfmark): IOR/R/20/B/552 Title: File 51/1 Mines and Minerals: enquiry from Mr J Hughes concerning the mineral resources of the island of Socotra Collection Area: India Office Records and Private Papers Languages: English Date Range: 30 Mar 1937-20 Apr 1937 Extent: 1 file
554. IOR/R/20/B/553 Reference (shelfmark): IOR/R/20/B/553 Title: File 52/1 of 1936 Survey: correspondence of the Board of Survey [3 colls] Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 Jul 1936-15 Aug 1939 Extent: 1 file
555. IOR/R/20/B/554 Reference (shelfmark): IOR/R/20/B/554 Title: File 52/1 - of 1940 Survey: general [2 colls] Collection Area: India Office Records and Private Papers Languages: English Date Range: 3 Feb 1940-29 May 1941 Extent: 1 file
556. IOR/R/20/B/555 Reference (shelfmark): IOR/R/20/B/555 Title: File 52/1A Survey: stores of the ARP Officer: appointment of a Board of Survey Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 Apr 1940-15 May 1940 Extent: 1 file
557. IOR/R/20/B/556 Reference (shelfmark): IOR/R/20/B/556 Title: File 53/1 Whipping: forms of returns of corporal punishment Collection Area: India Office Records and Private Papers Languages: English Date Range: 15 Feb 1937-9 Apr 1937 Extent: 1 file
558. 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
559. IOR/R/20/B/558 Reference (shelfmark): IOR/R/20/B/558 Title: File 54/1 Pt II of 1939 Warships: foreign warships: visit to Aden [6 colls Table of Contents] Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 May 1939-9 Jan 1940 Extent: 1 file
560. IOR/R/20/B/559 Reference (shelfmark): IOR/R/20/B/559 Title: File 54/1 of 1940 Warships: foreign warships: visit to Aden [3 colls] Collection Area: India Office Records and Private Papers Languages: English Date Range: 6 Feb 1940-22 May 1940 Extent: 1 file