Author
Iowa State College. Extension Service
19
Iowa Agriculture and Home Economics Experiment Station
12
Iowa State University. Cooperative Extension Service
11
Civilian Conservation Corps (U.S.). Company 1756
10
Iowa State College. Agricultural Experiment Station
9
Iowa Agricultural Experiment Station
8
Iowa State College. Agricultural Extension Dept
8
Iowa State College. Agricultural and Home Economics Experiment Station
8
Iowa State University. Agricultural and Home Economics Experiment Station
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 State College. Agricultural Extension Service
6
Civilian Conservation Corps (U.S.). Company 782
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 College. Cooperative Extension Service
4
Iowa State College. Extension Service. Rural Youth Section
4
Iowa State Horticultural Society
4
Iowa. Dept. of Agriculture
4
Iowa. Emergency Relief Administration
4
Iowa. General Assembly. Senate
4
Iowa. Supreme Court
4
Civilian Conservation Corps (U.S.). Company 2721
3
Iowa
3
Iowa Forestry and Conservation Association
3
Iowa Library Association
3
Iowa. General Assembly. House of Representatives
3
Iowa. State Agricultural Convention
3
Iowa. State Board for Vocational Education
3
Iowa. State Board of Social Welfare
3
Iowa. State Dept. of Health
3
Patrons of Husbandry. Iowa State Grange
3
Civilian Conservation Corps (U.S.). Camp 1756 (Dundee, Iowa)
2
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
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