List of sources:
African court calendar and directory, 1822-1825. Reprinted by SA Library, Cape Town, 1982.
Captain Walter John Synnot. British 1820 Settlers to South Africa. Retrieved on 6 January 2021 from https://www.1820settlers.com/genealogy/getperson.php?personID=I75029&tree=master
Captain Walter John Synnot. Geni. Retrieved on 6 January 2021 from https://www.geni.com/people/Captain-Walter-Synnot/6000000018897732654
Rowse, Dorothea. Captain Walter Synnot and his book of Cape plants and flowers. University of Melbourne Collections, Issue 8, June 2011, p 26-31. Retrieved on 6 January 2021 from https://museumsandcollections.unimelb.edu.au/__data/assets/pdf_file/0008/1378943/rowse.pdf
Gunn, M. & Codd, L.E. Botanical exploration of southern Africa. Cape Town: Balkema, 1981.
Hockly, H.E. The story of the British settlers of 1820 in South Africa. Cape Town: Juta, 1948.
Thompson, George. Travels and adventures in southern Africa (ed. V.S. Forbes). Cape Town: Van Riebeeck Society, VRS 48 & 49, 1967-1968.