9036869Vickery, Ottomar George : Southern Colliery Proprietors' Association, 19370public2019-11-20 22:54:592020-06-02 15:52:13610
1937541410Vickery, Ottomar George5221'Enginemen and Owners', The Newcastle Sun (NSW : 1918 - 1954), 7 Sep 1937, p. 7, <https://trove.nla.gov.au/newspaper/article/166645107?searchTerm=%22O.%20G.%20Vickery%22&searchLimits=l-decade=193>.8635541410Vickery, Ottomar George
 1125https://heurist-usyd.cloud.edu.au/heurist/ExpertNationProfessional Association Membership1125-691