9231837Callender G.G. : Engineer 22 Jan 1925 - Metropolitan Vickers @ Wingate, England --, United Kingdom1public2020-01-31 03:36:562022-11-04 10:54:30610
1925-01-22258610Callender, Geoffrey Gordon632724Metropolitan Vickers5859425Wingate, England --, United Kingdom43174997Export Department5221ENGINEERING. (1925, January 22). The Sydney Morning Herald (NSW : 1842 - 1954), p. 6. Retrieved May 28, 2020, from http://nla.gov.au/nla.news-article162079068633258610Callender, Geoffrey Gordon
 1125https://heurist-usyd.cloud.edu.au/heurist/ExpertNationOccupation eventlet1125-371