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- Vaux family (Philadelphia USA) 21
- Mary M. Vaux (Philadelphia USA) 9
- Conway, William Martin Conway, Baron 6
- Pond, Peter 6
- Parkman, Francis 5
- Lewis, Meriwether 4
- Mary Schaffer (Philadelphia, USA) - attributed to 4
- Whymper, Edward 4
- Bourrit, Marc Theodore 3
- Maclean, John 3
- Tyndall, John 3
- Wilcox, Walter Dwight 3
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