1. IOR/R/20/A/1060-1170 Reference (shelfmark): IOR/R/20/A/1060-1170 Title: Select files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1839-1930 Extent: 111 files
2. IOR/R/20/A/1222-1570 Reference (shelfmark): IOR/R/20/A/1222-1570 Title: Confidential files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880-1939 Extent: 350 files
3. IOR/R/20/A/2923-3960 Reference (shelfmark): IOR/R/20/A/2923-3960 Title: Confidential files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912-1939 Extent: 1047 files
4. IOR/R/20/A/4309-4366 Reference (shelfmark): IOR/R/20/A/4309-4366 Title: Colonial files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921-1939 Extent: 58 files
5. IOR/R/20/A/4387-4388 Reference (shelfmark): IOR/R/20/A/4387-4388 Title: Aden Municipality Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1893 Extent: 2 files
6. IOR/R/20/A/4508-4516 Reference (shelfmark): IOR/R/20/A/4508-4516 Title: Aden Settlement Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907-1942 Extent: 9 files
7. IOR/R/20/A/5034-5043 Reference (shelfmark): IOR/R/20/A/5034-5043 Title: Miscellaneous records Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905-1939 Extent: 10 files
8. IOR/R/20/A/4885-4906 Reference (shelfmark): IOR/R/20/A/4885-4906 Title: Yemen files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1904-1938 Extent: 22 files
9. IOR/R/20/A/4907-4921 Reference (shelfmark): IOR/R/20/A/4907-4921 Title: Idrisi files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1916-1924 Extent: 15 files
10. IOR/R/20/A/4922-4935 Reference (shelfmark): IOR/R/20/A/4922-4935 Title: Hodeida files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1918-1937 Extent: 14 files