Author
Colorado Agricultural College. Extension Service
56
Brazilian Government Document Digitization Project
26
Colorado A & M College. Extension Service
21
Colorado State College (Fort Collins, Colo.). Extension Service
15
Great Britain. Colonial Office
14
Southwest Missouri State University. State Fruit Experiment Station
14
Civilian Conservation Corps (U.S.). Company 299
12
Brazil. Ministério da Fazenda
11
Ajia Keizai Kenkyūjo (Japan)
8
Civilian Conservation Corps (U.S.). Company 106
8
Civilian Conservation Corps (U.S.). Company 1229
8
Civilian Conservation Corps (U.S.). Company 1913
8
Civilian Conservation Corps (U.S.). Company 291
8
Civilian Conservation Corps (U.S.). Company 571
8
Civilian Conservation Corps (U.S.). Company 999
8
United States. Department of Agriculture
8
Brazil. Ministério da Justiça
7
Civilian Conservation Corps (U.S.). Company 263
7
Civilian Conservation Corps (U.S.). Company 280
7
Civilian Conservation Corps (U.S.). Company 297
7
Civilian Conservation Corps (U.S.). Company 4428
7
Civilian Conservation Corps (U.S.). Company 491
7
Civilian Conservation Corps (U.S.). Company 529
7
Civilian Conservation Corps (U.S.). Company 713
7
South Dakota Agricultural Experiment Station
7
Akademii︠a︡ nauk SSSR
6
Civilian Conservation Corps (U.S.). Company 1655
6
Civilian Conservation Corps (U.S.). Company 1756
6
Civilian Conservation Corps (U.S.). Company 180
6
Civilian Conservation Corps (U.S.). Company 202
6
Civilian Conservation Corps (U.S.). Company 274
6
Civilian Conservation Corps (U.S.). Company 331
6
Civilian Conservation Corps (U.S.). Company 3745
6
Civilian Conservation Corps (U.S.). Company 531
6
Civilian Conservation Corps (U.S.). Company 533
6
Civilian Conservation Corps (U.S.). Company 556
6
Civilian Conservation Corps (U.S.). Company 562
6
Civilian Conservation Corps (U.S.). Company 580
6
Civilian Conservation Corps (U.S.). Company 604
6
Civilian Conservation Corps (U.S.). Company 767
6
Great Britain. Foreign and Commonwealth Office
6
Brazil
5
Center for Research Libraries (U.S.)
5
Civilian Conservation Corps (U.S.). Company 120
5
Civilian Conservation Corps (U.S.). Company 1530
5
Civilian Conservation Corps (U.S.). Company 1601
5
Civilian Conservation Corps (U.S.). Company 1628
5
Civilian Conservation Corps (U.S.). Company 1709
5
Civilian Conservation Corps (U.S.). Company 229
5
Civilian Conservation Corps (U.S.). Company 242
5
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