1. IOR/R/20/B/1-3459 Reference (shelfmark): IOR/R/20/B/1-3459 Title: Civil Secretary and Chief Secretary's Records Collection Area: India Office Records and Private Papers Languages: English Date Range: 1936-1965 Extent: 3447 files
2. IOR/R/20/B/3460-3530 Reference (shelfmark): IOR/R/20/B/3460-3530 Title: Departmental Records Collection Area: India Office Records and Private Papers Languages: English Date Range: 1917-1963 Extent: 71 files
3. IOR/R/20/B/3531-3577 Reference (shelfmark): IOR/R/20/B/3531-3577 Title: Miscellaneous Records Collection Area: India Office Records and Private Papers Languages: English Date Range: 1933-1963 Extent: 48 files
4. IOR/R/20/B/3948 Reference (shelfmark): IOR/R/20/B/3948 Title: File 10503 Communications and Wireless: Future of the Aden Broadcasting Service Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1958-Nov 1962 Extent: 1 file