6852537Duffy L.J. : Business Advisor 1931 - Johns-Manville Corporation @ United States Of America [ USA ]0public0000-00-00 00:00:002020-06-09 17:05:351501931285410Duffy, Leo John685264Johns-Manville Corporation3124525United States Of America --, USA642050005221OBITUARY. (1935, December 10). The Sydney Morning Herald (NSW : 1842 - 1954), p. 12. Retrieved April 13, 2018, from http://nla.gov.au/nla.news-article17208361; MR. 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-article140910848.8633285410Duffy, Leo John
1125https://heurist-usyd.cloud.edu.au/heurist/ExpertNationOccupation eventlet1125-371