List of sources:
Ancestry. James Lorenzo ("Lorrie") Webb. Retrieved on 26 April 2021 from https://www.ancestry.com/genealogy/records/james-lorenzo-lorrie-webb-24-1mqdlp
Agricultural Journal (Union of South Africa), 1911, Vol. 2, article by Webb.
Register of veterinarians of the Union of South Africa... Journal of the South African Veterinary Medical Association, 1929, Vol. 1(3), pp. 77-83.
Natal [Colony]. Report of the Principal Veterinary Surgeon, 1904, 1905/6.
Natal Agricultural Journal, 1900-1907, Vol. 3, 7-10: articles by Webb.
Natal civil service list, 1906.
Natal who's who, 1906.
National Automated Archival Information Retrieval System (NAAIRS). http://national.archives.gov.za/naairs.htm Documents relating to Webb, James Lorenzo / Webb, J.L.
Posthumus, P.J. Past Veterinarians in South Africa (10th edition), Vol. 2, [1992].
Webb, J.L. The treatment of Rinderpest as discovered and applied during the epizootic in South Africa, with a brief history of its progress in the colony of Natal. FRCVS theses collection, London, Series 1, No. 65, 1902.