| Sources |
- [S1118] Correspondence: John Hogg, Dudley Allsopp; Email; 14 April 2002.
- [S1447] _Births, Deaths and Marriages, NSW, Dudley C Allsop; Birth; Index; 29886; 1891; Randwick.
- [S1447] _Births, Deaths and Marriages, NSW, Dudley Cottam Allsop; Death; Index; 23836; 1948; Randwick.
- [S1429] Newspaper: Sydney Morning Herald (Sydney, NSW : 1842 - 1954) [TROVE], Family Notices; Deaths; 16 July 1948; Page 12; Viewed; 14 December 2024.
- [S1447] _Births, Deaths and Marriages, NSW, John Allsop + Harriet R Cottam; Marriage; Index; 937; 1883; Sydney.
- [S1447] _Births, Deaths and Marriages, NSW, Dudley C Allsop + Vera Pope; Marriage; Index; 2880; 1921; Randwick.
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