- Ballard, Frank Llewellyn.
- National Association of County Agricultural Agents.
- Oregon State College. Federal Cooperative Extension Service.
- Oregon State University. Extension Service.
- Agricultural extension work--Oregon.
- Agricultural extension workers--Oregon.
- Photographic prints.
Additional Reference Guides
Restrictions on Access
Collection is open for research.
N. John Hansen Scrapbook, Oregon State University Archives, Corvallis, Oregon.
The scrapbook was transferred from the Crop and Soil Science Department in 2010.
Return to N. John Hansen Scrapbook Home