171. IOR/R/20/C/1923 Reference (shelfmark): IOR/R/20/C/1923 Title: File R/395 Mukalla riots Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1950-Jul 1956 Extent: 1 file
172. IOR/R/20/C/1924 Reference (shelfmark): IOR/R/20/C/1924 Title: File R/396 Extracts from Reports and Incidents from Oct. 1958 Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1958-Jul 1960 Extent: 1 file
173. IOR/R/20/C/1925 Reference (shelfmark): IOR/R/20/C/1925 Title: Unregistered file Notes on boundary dispute and Hadhrami tribal genealogy Collection Area: India Office Records and Private Papers Languages: English Date Range: c 1963 Extent: 1 file
174. IOR/R/20/C/1926 Reference (shelfmark): IOR/R/20/C/1926 Title: File R/407 Residency senior staff, Eastern Aden Protectorate: vacancies and postings Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1964-Aug 1966 Extent: 1 file
175. IOR/R/20/C/1927 Reference (shelfmark): IOR/R/20/C/1927 Title: File R/411 Unitary State of South Arabia negotiations Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1964-Mar 1965 Extent: 1 file
176. IOR/R/20/C/1928 Reference (shelfmark): IOR/R/20/C/1928 Title: File R/411 II Unitary State of South Arabia negotiations Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1965-Jun 1965 Extent: 1 file
177. IOR/R/20/C/1929 Reference (shelfmark): IOR/R/20/C/1929 Title: File R/411 III Unitary State of South Arabia negotiations Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1965-Feb 1966 Extent: 1 file
178. IOR/R/20/C/1930 Reference (shelfmark): IOR/R/20/C/1930 Title: File R/411/IV Unitary State of South Arabia negotiations Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1966-Jul 1966 Extent: 1 file
179. IOR/R/20/C/1931 Reference (shelfmark): IOR/R/20/C/1931 Title: File R/411/V Unitary State of South Arabia negotiations Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1966-Dec 1966 Extent: 1 file
180. IOR/R/20/C/1932 Reference (shelfmark): IOR/R/20/C/1932 Title: File R/454 Operation 'Waffle': to establish Mahra Tribal Council authority at Qishn Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1967-May 1967 Extent: 1 file