List of sources:
Geological Society of South Africa. Transactions (and Proceedings), 1906, Vol. 10; 1915, Vol. 18; and 1920, Vol. 23: Lists of members.
Hall, A.L. A bibliography of South African geology.... Pretoria: Geological Survey, Memoirs No. 18 (1922) and No. 27 (1931).
Harger, H.S. Historical notes on the Geological Society of South Africa. Proceedings of the Geological Society of South Africa, 1939, Vol. 42, pp. lxvii-lxxiv.
National Archives Repository (TAB), Source MHG, Vol. 0, Ref. 92574: death notice, William Julius Gau.
South African Association for the Advancement of Science. Report, 1905/6, list of members.
Transcribed marriage
entries for Palmer. Retrieved from http://www.1820settlers.com/genealogy/settlerbrowsemarrs.php?name=PALMER
on 2017-1-11.