- CollectionGPC - Rosetown General Photograph Collection
- Série organiqueGPC-AG7 - Agriculture - Pioneer machinery
- 7 en plus...
- PièceAG7.008 - Steam tractor
- PièceAG7.009 - Steam engine fired with straw.
- PièceAG7.010 - Model T Ford Truck
- PièceAG7.011 - Breaking the sod.
- PièceAG7.012 - 1929 GMC truck
- PièceAG7.013 - IHC Big Four tractor #1
- PièceAG7.014 - Plowing in the 1920's
- PièceAG7.015 - Harvest scene
- PièceAG7.016 - Tractor and plow
- 16 en plus...