List of sources:
Cape of Good Hope, Department of Agriculture. Report of Proceedings at Inter-Colonial Veterinary Conference on Animal Diseases in South Africa. Parliamentary Report G87-1904.
Creagh, O'M. and Humphris, E.M. The Distinguished Service Order, 1886-1923. London: J.B. Hayward, 1978.
National Automated Archival Information Retrieval System (NAAIRS). http://www.national.archives.gov.za/naairs.htm Documents relating to Colonel Flintoff.
Orange River Colony, Department of Agriculture. Report, 1904/5, 1905/6.
Posthumus, P.J. An index of veterinarians in South Africa (4th ed., 2 vols). Pietermaritzburg: P.J. Posthumus, 1982.
Who was who, Vol. 1, 5th ed. London: Adam & Black, 1967.