List of sources:
Google scholar, at http://scholar.google.co.za Publications by E. Parish.
Janse, A.J.T. A short history of the South African Biological
Society. South African Biological Society
Pamphlets, No. 10, 1939.
Mansell, M.W. The Entomological Society of Southern Africa,
a historical review. African Entomology,
1993, Vol. 1(1), pp. 109-120.
National Automated Archival Information Retrieval System
(NAAIRS), at http://www.national.archives.gov.za/naairs.htm Documents relating to E. Parish.
Parish, E. Transvaal farming:
Maize-growing. Farming in South Africa,
June 1929, pp. 109, 114. Retrieved from https://journals.co.za/content/farmsa/4/39/AJA00148490_3362
on 2019-1-31.
Sim, J.T.R. Agronomy
investigations in the winter rainfall region, 1892-1953: A summary. Science Bulletin (Department of
Agriculture), 1958, No. 373.
South African Journal
of Science, 1923, Vol. 20 and 1925, Vol. 22, papers by Parish.
Standard Encyclopaedia
of Southern Africa (SESA). Cape Town: NASOU, 1970-1976.