51. IOR/R/20/C/1803 Reference (shelfmark): IOR/R/20/C/1803 Title: File R/60 Wahidi affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1960-Dec 1961 Extent: 1 file
52. IOR/R/20/C/1804 Reference (shelfmark): IOR/R/20/C/1804 Title: File R/62 Separation of EAP from Aden and WAP Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1939 Extent: 1 file
53. IOR/R/20/C/1805 Reference (shelfmark): IOR/R/20/C/1805 Title: File R/66/2 Postal Union: agreement with Qu'aiti and Kathiri States Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1939-Apr 1960 Extent: 1 file
54. IOR/R/20/C/1806 Reference (shelfmark): IOR/R/20/C/1806 Title: File R/69 I Tribal affairs - Bal Ubaid Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1964-Mar 1966 Extent: 1 file
55. IOR/R/20/C/1807 Reference (shelfmark): IOR/R/20/C/1807 Title: File R/69 II Tribal affairs - Bal Ubaid Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1966-Mar 1967 Extent: 1 file
56. IOR/R/20/C/1808 Reference (shelfmark): IOR/R/20/C/1808 Title: File R/76 II Arms traffic in EAP Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1960-Jun 1963 Extent: 1 file
57. IOR/R/20/C/1809 Reference (shelfmark): IOR/R/20/C/1809 Title: File R/81 V Winsums [weekly Intelligence Summaries] Collection Area: India Office Records and Private Papers Languages: English Date Range: Jul 1965-Oct 1966 Extent: 1 file
58. IOR/R/20/C/1810 Reference (shelfmark): IOR/R/20/C/1810 Title: File R/88 Resident Adviser to the State of Shihr and Mukalla Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1937-Mar 1937 Extent: 1 file
59. IOR/R/20/C/1811 Reference (shelfmark): IOR/R/20/C/1811 Title: File R/99 I Mukalla Succession Collection Area: India Office Records and Private Papers Languages: English Date Range: Jul 1937-Jan 1957 Extent: 1 file
60. IOR/R/20/C/1812 Reference (shelfmark): IOR/R/20/C/1812 Title: File R/100 I Mukalla Trust Fund: general Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1937-Nov 1943 Extent: 1 file