1. IOR/R/20/C/1267-2039 Reference (shelfmark): IOR/R/20/C/1267-2039 Title: Eastern Aden Protectorate: Adviser and British Agent, Mukalla Residency Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919-1967 Extent: 779 files
2. IOR/R/20/C/1753-1933 Reference (shelfmark): IOR/R/20/C/1753-1933 Title: Secret files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1937-1966 Extent: 181 files
3. IOR/R/20/C/1934-1953 Reference (shelfmark): IOR/R/20/C/1934-1953 Title: Top secret files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1950-1967 Extent: 18 files
4. IOR/R/20/C/1267-1752 Reference (shelfmark): IOR/R/20/C/1267-1752 Title: Ordinary and confidential files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1937-1966 Extent: 486 files
5. IOR/R/20/C/1954-2039 Reference (shelfmark): IOR/R/20/C/1954-2039 Title: Mukalla Residency: miscellaneous records Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919-1965 Extent: 94 files
6. IOR/R/20/C/1984-1989 Reference (shelfmark): IOR/R/20/C/1984-1989 Title: Oil agreements Collection Area: India Office Records and Private Papers Languages: English Date Range: 1953-1963 Extent: 6 files
7. IOR/R/20/C/2015-2020 Reference (shelfmark): IOR/R/20/C/2015-2020 Title: Development reports Collection Area: India Office Records and Private Papers Languages: English Date Range: 1956-1963 Extent: 6 files
8. IOR/R/20/C/2036-2038 Reference (shelfmark): IOR/R/20/C/2036-2038 Title: District handbooks Collection Area: India Office Records and Private Papers Languages: English Date Range: c 1940-1960 Extent: 3 files
9. IOR/R/20/C/1990-2014 Reference (shelfmark): IOR/R/20/C/1990-2014 Title: EAP Intelligence summaries Collection Area: India Office Records and Private Papers Languages: English Date Range: 1937-1965 Extent: 25 files
10. IOR/R/20/C/1827 Reference (shelfmark): IOR/R/20/C/1827 Title: File R/143 Petitions Collection Area: India Office Records and Private Papers Languages: English Date Range: Aug 1963-Jul 1966 Extent: 1 file