- CollectionGPC - Rosetown General Photograph Collection
- Série organiqueGPC-AG7 - Agriculture - Pioneer machinery
- 25 en plus...
- PièceAG7.026 - Big 4 Tractor
- PièceAG7.027 - Mogul tractor
- PièceAG7.028 - Tractor and car in field
- PièceAG7.029 - Breaking the sod
- PièceAG7.030 - Large gas tractor
- PièceAG7.031 - Four horses hitched to a Stook Loader
- PièceAG7.032 - IHC Big Four tractor #2