Source Details free text
1. 1930 'Advertising', Gnowangerup Star and Tambellup-Ongerup Gazette (WA : 1915 - 1944), 7 June, p. 3. , viewed 28 Jul 2018, http://nla.gov.au/nla.news-article158916272
2. Birtwistle Local Studies Library
https://birtwistlewiki.com.au/wiki/Alfred_Martin_Tilly