Narrow Results By
- Department of the Interior, Natural Resources Intelligence Branch 72
- Leighton, Douglas 72
- Douglas Leighton 71
- Nicholas Morant 48
- McCowan, Dan 28
- Vaux family (Philadelphia USA) 21
- Alpine Club of Canada 14
- Department of the Interior, Natural Resources Intelligence Service 13
- Charles Potter - 16 Adelaide West - Toronto 11
- Hinman, Caroline
- Mary M. Vaux (Philadelphia USA) 9
- Leacock, Leonard 7