Source Details free text
1922 'Advertising', Australian Christian Commonwealth (SA : 1901 - 1940), 2 June, p. 8. , viewed 08 Jan 2019, http://nla.gov.au/nla.news-article214569754
1930 'Advertising', Australian Christian Commonwealth (SA : 1901 - 1940), 3 January, p. 8. , viewed 08 Jan 2019, http://nla.gov.au/nla.news-article214091367
1935 retire as Head of Preparatory School, PAC.
1935 'Speech Days', The Advertiser (Adelaide, SA : 1931 - 1954), 19 December, p. 11. , viewed 08 Jan 2019, http://nla.gov.au/nla.news-article36205573
Notes
On his returned to Australia, Lt Gilbert resumed his teaching post in Prince Alfred College, South Australia. He was head of Preparatory School till he retired in 1935.