| Sources |
- [S1447] _Births, Deaths and Marriages, NSW, Marie V Hummelstad; Birth; Index; 27817; 1918; Petersham.
- [S1395] Sydney, Australia, Anglican Parish Registers, 1814-2011 [A], Marriage; Jack Malden Allsopp + Marie Valerie Hummelstad; 20 September 1942; Neutral Bay, St Augustine; Page 21; No. 42; 15 June 2025.
- [S1429] Newspaper: Sydney Morning Herald (Sydney, NSW : 1842 - 1954) [TROVE], Death Notices; November 4, 2006.
- [S1447] _Births, Deaths and Marriages, NSW, Jack Malden Allsopp + Marie Valerie Hummelstad; Marriage; Index; 31950; 1942; North Sydney.
|