21. IOR/R/20/A/4389 Reference (shelfmark): IOR/R/20/A/4389 Title: File [101] Marriage Register Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1946 Extent: 1 file
22. IOR/R/20/E/260 Reference (shelfmark): IOR/R/20/E/260 Title: File 318 Boundary Delimitation Commission Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1905-Dec 1905 Extent: 1 volume
23. IOR/R/20/E/271 Reference (shelfmark): IOR/R/20/E/271 Title: File 255 Aden Boundary Delimitation Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1906-Nov 1906 Extent: 1 volume
24. IOR/R/20/E/282 Reference (shelfmark): IOR/R/20/E/282 Title: File 278 Aden Boundary Delimitation Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1907-Oct 1907 Extent: 1 volume
25. IOR/R/20/B/3531 Reference (shelfmark): IOR/R/20/B/3531 Title: Adenisation Committee: minutes Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1957-May 1958 Extent: 1 file
26. IOR/R/20/B/3555 Reference (shelfmark): IOR/R/20/B/3555 Title: Beihan: miscellaneous papers Collection Area: India Office Records and Private Papers Languages: English Date Range: c 1949-1950 Extent: 1 file
27. IOR/R/20/G/1 Reference (shelfmark): IOR/R/20/G/1 Title: Annual Aden administration reports: 1864-1876 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1864-1876 Extent: 1 volume
28. IOR/R/20/G/170 Reference (shelfmark): IOR/R/20/G/170 Title: Aden Colony Police. Annual reports 1954 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1954 Extent: 1 volume
29. IOR/R/20/G/171 Reference (shelfmark): IOR/R/20/G/171 Title: Aden Colony Police. Annual reports 1955 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1955 Extent: 1 volume
30. IOR/R/20/G/172 Reference (shelfmark): IOR/R/20/G/172 Title: Aden Colony Police. Annual reports 1956 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1956 Extent: 1 volume