131. IOR/R/20/E/17 Reference (shelfmark): IOR/R/20/E/17 Title: File 241 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1841-Dec 1841 Extent: 1 volume
132. IOR/R/20/E/18 Reference (shelfmark): IOR/R/20/E/18 Title: File 56 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1842-Apr 1842 Extent: 1 volume
133. IOR/R/20/E/22 Reference (shelfmark): IOR/R/20/E/22 Title: File 21 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1844-Dec 1844 Extent: 1 volume
134. IOR/R/20/G/145 Reference (shelfmark): IOR/R/20/G/145 Title: Eastern Aden Protectorate. Development Plan, 1961-1964 typ Collection Area: India Office Records and Private Papers Languages: English Date Range: 1961-1964 Extent: 1 volume
135. IOR/R/20/A/4068-4108 Reference (shelfmark): IOR/R/20/A/4068-4108 Title: World War I Confidential files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915-1940 Extent: 41 files
136. IOR/R/20/B/3549 Reference (shelfmark): IOR/R/20/B/3549 Title: File ML/S/20 Antiquities Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1959-Nov 1960 Extent: 1 file
137. IOR/R/20/E/72 Reference (shelfmark): IOR/R/20/E/72 Title: Vol 2 File 29 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1865-Dec 1865 Extent: 1 volume
138. IOR/R/20/E/268 Reference (shelfmark): IOR/R/20/E/268 Title: [Accounts] [first part of volume missing] Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1905-Oct 1905 Extent: 1 volume
139. IOR/R/20/B/3473 Reference (shelfmark): IOR/R/20/B/3473 Title: Petitions Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1929-Dec 1929 Extent: 1 file
140. IOR/R/20/A/1066 Reference (shelfmark): IOR/R/20/A/1066 Title: File 7 Appointments Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1882-Jul 1910 Extent: 1 file