21. IOR/R/20/D/41 Reference (shelfmark): IOR/R/20/D/41 Title: File 1616A Intelligence summary: Federation Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1963-Mar 1964 Extent: 1 file
22. IOR/R/20/D/42 Reference (shelfmark): IOR/R/20/D/42 Title: File 1616B Intelligence summary: Federation Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1964-Oct 1964 Extent: 1 file
23. IOR/R/20/D/86 Reference (shelfmark): IOR/R/20/D/86 Title: File 8975A Yemen internal affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1964-Jul 1965 Extent: 1 file
24. IOR/R/20/D/92 Reference (shelfmark): IOR/R/20/D/92 Title: File 3982 Beihan/Yemen frontier Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1963-Oct 1963 Extent: 1 file
25. IOR/R/20/D/53 Reference (shelfmark): IOR/R/20/D/53 Title: File 2022/10/I Constitutional Commission Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1965 Extent: 1 file
26. IOR/R/20/D/58 Reference (shelfmark): IOR/R/20/D/58 Title: File 2804 Protectorate estimates, 1963-64 Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1962-Mar 1964 Extent: 1 file
27. IOR/R/20/D/60 Reference (shelfmark): IOR/R/20/D/60 Title: File 2820A Pan-American Oil Company Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1963-Feb 1965 Extent: 1 file
28. IOR/R/20/D/61 Reference (shelfmark): IOR/R/20/D/61 Title: File 2835A Protectorate estimates, 1964-65 Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1961-Dec 1964 Extent: 1 file
29. IOR/R/20/D/75 Reference (shelfmark): IOR/R/20/D/75 Title: File 3456/1 Constitutional Commission: brief Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1965-Jul 1965 Extent: 1 file
30. IOR/R/20/D/90 Reference (shelfmark): IOR/R/20/D/90 Title: File 3979/01B UAR/YAR threat Collection Area: India Office Records and Private Papers Languages: English Date Range: Jul 1964-Sep 1964 Extent: 1 file