- Oregon. Dept. Of Geology And Mineral Industries7
- Oregon State University. Agricultural Experiment Station5
- Oregon State University. Extension Service5
- Lane County Pioneer Historical Society (Or.)4
- Berg, Joseph W.2
- Bullock, Richard M. (Richard Melvin), 1918 2
- Crabtree, Garvin Dudley2
- Crowell, H. H.2
- Duncan, Andrew A.2
- Fisher, Richard V. (Richard Virgil), 1928 2
- Frazier, W. A.2
- Harward, M. E.2
- Waters, Aaron Clement, 1905 2
- Armbruster, Walter J.1
- Baggett, James R.1
- Bales, W. E.1
- Ballard, Frank Llewellyn1
- Beaverton Diamond Jubilee Corp.1
- Benson, Gilbert Thomas, 1929 1
- Bier, Bud1