51. IOR/R/20/C/2438 Reference (shelfmark): IOR/R/20/C/2438 Title: File NWA/S/POL/11 Political files: Halmein affairs (political) Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1962-Aug 1966 Extent: 1 file
52. IOR/R/20/C/2439 Reference (shelfmark): IOR/R/20/C/2439 Title: File NWA/S/POL/20 Political files: Yemeni affairs: post-revolution Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1963-May 1965 Extent: 1 file
53. IOR/R/20/C/2428 Reference (shelfmark): IOR/R/20/C/2428 Title: File NAS/6 Secret files: Yemen and frontier affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1952-Sep 1957 Extent: 1 file
54. IOR/R/20/C/2431 Reference (shelfmark): IOR/R/20/C/2431 Title: File NWA/S/INT/1 Intelligence files: Intelligence targets and reports Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1964-Jul 1965 Extent: 1 file
55. IOR/R/20/C/2466 Reference (shelfmark): IOR/R/20/C/2466 Title: File W/7 Secret files: Reports on tribal dissidence Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1956-Jan 1959 Extent: 1 file
56. IOR/R/20/C/2471 Reference (shelfmark): IOR/R/20/C/2471 Title: File W/13 Secret files: Security: general; threats to security Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1954-Aug 1964 Extent: 1 file
57. IOR/R/20/C/2473 Reference (shelfmark): IOR/R/20/C/2473 Title: File W/13/II Secret files: Security: Wahidi area Collection Area: India Office Records and Private Papers Languages: English Date Range: Aug 1964-Oct 1964 Extent: 1 file
58. IOR/R/20/C/2478 Reference (shelfmark): IOR/R/20/C/2478 Title: File W/30 Secret files: Anti-Wahidi administration (including internal security problems) Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1962-Apr 1965 Extent: 1 file
59. IOR/R/20/C/2479 Reference (shelfmark): IOR/R/20/C/2479 Title: File W/31 Secret files: Wahidi/Upper Aulaqi Shaikhdom relations Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1964-Sep 1965 Extent: 1 file
60. IOR/R/20/C/2481 Reference (shelfmark): IOR/R/20/C/2481 Title: File W/36 Secret files: Wahidi/Lower Aulaqi Sultanate relations Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1964-Jan 1965 Extent: 1 file