21. IOR/R/1/1/958-966 Reference (shelfmark): IOR/R/1/1/958-966 Title: Reforms Branch Secret Proceedings Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920-1921 Extent: 9 files
22. IOR/R/2 Madras 2 Reference (shelfmark): IOR/R/2 Madras 2 Title: Madras Records, Confidential Collection Area: India Office Records and Private Papers Languages: English Date Range: 1858-1926 Extent: 99 files
23. IOR/R/20/C/2060-2063 Reference (shelfmark): IOR/R/20/C/2060-2063 Title: Political Officer, Socotra Collection Area: India Office Records and Private Papers Languages: English Date Range: 1943-1945 Extent: 4 files
24. IOR/R/15/2/1998-2022 Reference (shelfmark): IOR/R/15/2/1998-2022 Title: Bahrain Agency, Additional files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1913-1953 Extent: 25 files
25. IOR/R/15/6/22-69 Reference (shelfmark): IOR/R/15/6/22-69 Title: Muscat Agency, Subject files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1869-1933 Extent: 48 files
26. IOR/R/15/6/70-472 Reference (shelfmark): IOR/R/15/6/70-472 Title: Muscat Agency, Subject Files Collection Area: India Office Records and Private Papers Languages: English Date Range: c 1900-1951 Extent: 402 files
27. IOR/R/15/6/473-541 Reference (shelfmark): IOR/R/15/6/473-541 Title: Muscat Agency, Official Publications Collection Area: India Office Records and Private Papers Languages: English Date Range: 1873-1940 Extent: 69 volumes
28. IOR/R/20/G/1-12 Reference (shelfmark): IOR/R/20/G/1-12 Title: Administration: annual and miscellaneous reports Collection Area: India Office Records and Private Papers Languages: English Date Range: 1864-1966 Extent: 12 volumes
29. IOR/R/20/G/134-136 Reference (shelfmark): IOR/R/20/G/134-136 Title: Laws and Rules of Court Collection Area: India Office Records and Private Papers Languages: English Date Range: 1955-1965 Extent: 5 volumes
30. IOR/R/20/G/53-101 Reference (shelfmark): IOR/R/20/G/53-101 Title: Establishment Scope & Content: Staff lists, pay and conditions of service, recruitment, training, orders and regulations, Adenisation/Arabisation. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1938-1966 Extent: 49 volumes