Source Details free text
1. 1920 'THE ALLEGED 'SILLY WILLY."', The Advertiser (Adelaide, SA : 1889 - 1931), 17 September, p. 14. , viewed 18 Jun 2018, http://nla.gov.au/nla.news-article37077017
2. 1929 'Young Scholars Learn To Take Care Of The Pence', The Register News-Pictorial (Adelaide, SA : 1929 - 1931), 7 August, p. 1. , viewed 18 Jun 2018, http://nla.gov.au/nla.news-article53487052