- FondsA1 - Seager Wheeler and Family fonds
- Série organiqueP1 - Photographs
- DossierP1.5 - Miscellaneous
- 215 en plus...
- Pièce2021-P-216 - Marquis Wheat
- Pièce2021-P-217 - Marquis Wheat in Stook, Seager Wheeler
- Pièce2021-P-218 - Selected Marquis Wheat Plot, Seager Wheeler
- Pièce2021-P-219 - L.H. Newman, Unclear Label
- Pièce2021-P-220 - Seager Wheeler Fields
- Pièce2021-P-221 - Marquis Wheat Elite Seed
- Pièce2021-P-222 - Marquis Wheat in Stook, Seager Wheeler
- Pièce2021-P-223 - Canadian Thorpe Barley, Hand Selected Seed Plot
- Pièce2021-P-224 - 60 Acre Corn Field
- 159 en plus...