- FondsMG 437 - A.S. Morton Manuscript Collection
- Série organiqueC565
- 7 en plus...
- PièceMSS_C565_2_11_23 - Early Powered Driven Farm Implement.
- PièceMSS_C565_2_11_29 - Biggest Barn in the World
- PièceMSS_C565_2_11_32a - Steam Threshing Outfit
- PièceMSS_C565_2_11_32b - Shipment of Binders
- PièceMSS_C565_2_11_32c - Last Ox Train Through Portage
- PièceMSS_C565_2_11_32d - Red River Ox Cart