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- [S699] Information: Jim Allsop, Letter.
- [S1442] _Births, Deaths and Marriages, Victoria, Helen McDonald Allsop; Birth; Index; 23498; 1891; Gobur.
- [S1442] _Births, Deaths and Marriages, Victoria, Helen Mcdonald Allsop; Death; Index; 13235; 1983; Croydon.
- [S1133] The Greater Metropolitan Cemeteries Trust, Vic, Helen McDonald Allsop; 3120335; Templestowe Cemetery; Interred; 10 July 2024.
- [S797] National Library of Australia [NLA], 1884 'Family Notices.', Alexandra and Yea Standard, Gobur, Thornton and Acheron Express (Vic. : 1877 - 1908), 23 May, p. 2, viewed 3 April, 2013, http://nla.gov.au/nla.news-article57167383.
- [S1442] _Births, Deaths and Marriages, Victoria, John Allsop + Helen McDonald Cumming; Marriage; Index; 2666; 1884.
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