Source Details free text
Victoria Government Gazette, 'The Dentists' Register for 1919', 31 January 1919, no. 23, p. 486.
http://gazette.slv.vic.gov.au/view.cgi?year=1919&class=general&page_num=481&state=V&classNum=G23&searchCode=4761408
Victoria Government Gazette, 'The Dentists' Register for 1960', 16 June 1960, no. 57, p. 2022,
http://gazette.slv.vic.gov.au/view.cgi?year=1960&class=general&page_num=2017&state=V&classNum=G57&searchCode=4786744
Notes
The Dentists' Register of 1961 has Richard Austin Cooper listed at a different address in Toorak (Victoria Government Gazette, 'The Dentists' Register for 1961', 25 May 1961, no. 41, p. 1810.
http://gazette.slv.vic.gov.au/view.cgi?year=1961&class=general&page_num=1805&state=V&classNum=G41&searchCode=4786744)