Author
Iowa State College. Extension Service
16
Civilian Conservation Corps (U.S.). Company 1756
10
Iowa State College. Agricultural Extension Dept
7
Civilian Conservation Corps (U.S.). Company 1749
6
Civilian Conservation Corps (U.S.). Company 2717
6
Civilian Conservation Corps (U.S.). Company 778
6
Iowa Agriculture and Home Economics Experiment Station
6
Iowa State College. Agricultural and Home Economics Experiment Station
6
Civilian Conservation Corps (U.S.). Company 782
5
Iowa State College. Agricultural Extension Service
5
Iowa State University. Cooperative Extension Service
5
Iowa. State Dept. of Social Welfare
5
Civilian Conservation Corps (U.S.). Company 1709
4
Civilian Conservation Corps (U.S.). Company 1754
4
Civilian Conservation Corps (U.S.). Company 2715
4
Civilian Conservation Corps (U.S.). Company 2724
4
Civilian Conservation Corps (U.S.). Company 2725
4
Civilian Conservation Corps (U.S.). Company 735
4
Civilian Conservation Corps (U.S.). Company 771
4
Civilian Conservation Corps (U.S.). Company 779
4
Civilian Conservation Corps (U.S.). Company 780
4
Iowa State University. Agricultural and Home Economics Experiment Station
4
Civilian Conservation Corps (U.S.). Company 2721
3
Iowa Forestry and Conservation Association
3
Iowa Library Association
3
Iowa State College. Agricultural Experiment Station
3
Iowa State College. Cooperative Extension Service
3
Iowa. Dept. of Agriculture
3
Iowa. Emergency Relief Administration
3
Iowa. General Assembly. Senate
3
Iowa. State Agricultural Convention
3
Iowa. State Board for Vocational Education
3
Civilian Conservation Corps (U.S.). Company 1752
2
Civilian Conservation Corps (U.S.). Company 1753
2
Civilian Conservation Corps (U.S.). Company 1777
2
Civilian Conservation Corps (U.S.). Company 2716
2
Civilian Conservation Corps (U.S.). Company 2723
2
Civilian Conservation Corps (U.S.). Company 3724
2
Civilian Conservation Corps (U.S.). Company 3725
2
Civilian Conservation Corps (U.S.). Company 3726
2
Civilian Conservation Corps (U.S.). Company 3728
2
Civilian Conservation Corps (U.S.). Company 4750
2
Civilian Conservation Corps (U.S.). Company 625
2
Civilian Conservation Corps (U.S.). Company 769
2
Civilian Conservation Corps (U.S.). Company 772
2
Civilian Conservation Corps (U.S.). Company 773
2
Civilian Conservation Corps (U.S.). Company 776
2
Civilian Conservation Corps (U.S.). Company 777
2
Civilian Conservation Corps (U.S.). Company 780 (Oakland, Iowa)
2
Iowa Agricultural Experiment Station
2
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