- FondsA1 - Seager Wheeler and Family fonds
- Série organiqueP1 - Photographs
- DossierP1.5 - Miscellaneous
- 200 en plus...
- Pièce2021-P-201 - Selected Preston Wheat, Seager Wheeler
- Pièce2021-P-202 - Seager Wheeler
- Pièce2021-P-203 - Marquis Wheat in Stook, Seager Wheeler
- Pièce2021-P-204 - Alfalfa Seed Plot, Seager Wheeler
- Pièce2021-P-205 - Preston Wheat in Stook, Seager Wheeler
- Pièce2021-P-206 - Rye
- Pièce2021-P-207 - Victory Oats
- Pièce2021-P-208 - Victory Oats, Seager Wheeler
- Pièce2021-P-209 - Marquis Wheat
- 174 en plus...