- ColeçãoFGPC - Frank Glass Photograph Collection
- SérieFGPC-F-FH - Farming Practices; Farming with Horses
- 38 mais...
- ItemFGPC-F-P137 - Harvest, one tractor pulling six binders.
- ItemFGPC-F-P138 - Moving a threshing outfit.
- ItemFGPC-F-P139 - Five seeders being pulled by one tractor.
- ItemFGPC-F-P140 - A Tractor drawing four twelve inch plows.
- ItemFGPC-F-P142 - Storing grain.
- ItemFGPC-F-P143 - First tractors with a front bucket.
- ItemFGPC-F-P144 - Discing with eight sections, one tractor.
- ItemFGPC-F-P145 - Hauling hay.
- ItemFGPC-F-P146 - Custom Combining in the U.S.
- 9 mais...