6853424Duffy L.J. : Life.Visited 1923 - @ United States Of America [ USA ]0public0000-00-00 00:00:002019-02-22 15:22:061501923285410Duffy, Leo John83353124525United States Of America --, USA5221MR. LEO J. DUFFY, B.E., M.B.A. (1931, November 20). Dungog Chronicle : Durham and Gloucester Advertiser (NSW : 1894 - 1954), p. 1. Retrieved April 13, 2018, from http://nla.gov.au/nla.news-article140910848285410Duffy, Leo John
1125https://heurist-usyd.cloud.edu.au/heurist/ExpertNationEventlet1125-241