Author
United States. Soil Conservation Service
27
Smithsonian Institution. Press
20
Buol, S. W.
10
United States. National Marine Fisheries Service
10
United States. Department of Agriculture
8
United States. Forest Service
8
United States. Natural Resources Conservation Service
8
Pacific Northwest Research Station (Portland, Or.)
6
Canadian Agricultural Services Coordinating Committee. Soil Classification Working Group
5
ProQuest (Firm)
5
United States. Agricultural Research Service
5
Bunting, Brian T.
4
Food and Agriculture Organization of the United Nations
4
Hole, Francis Doan, 1913-
4
McCracken, R. J.
4
ProQuest Ebook Subscriptions
4
SpringerLink (Online service)
4
Tidball, Ronald R.
4
Bechtel, Helmut
3
Bryant, Mason D.
3
Cairns, Stephen
3
Cribb, Phillip
3
Egorov, V. V. (Valentin Vasilʹevich)
3
Food and Agriculture Organization of the United Nations. Soil Resources, Development and Conservation Service
3
Geological Survey (U.S.)
3
Isbell, R. F.
3
Kokwaro, J. O.
3
Launert, Edmund, 1926-2017
3
Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
3
Pochvennyĭ institut imeni V.V. Dokuchaeva
3
Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
3
Roper, Clyde F. E., 1937-
3
Shahid, Shabbir A.
3
Southeastern Forest Experiment Station (Asheville, N.C.)
3
Southern Forest Experiment Station (New Orleans, La.)
3
Sweeney, Michael J., 1945-
3
Sæther, Ole A.
3
United States. Forest Service. Pacific Northwest Region
3
United States. Science and Education Administration
3
Vari, Richard P.
3
Vecchione, Michael
3
World Health Organization
3
Andrade, Roberto Luiz
2
Atkins, Michael D.
2
Batista, Cristina Isadora
2
Bompard, Jean-Marie
2
Burnett, Jay
2
Cardiff University
2
Cibrián-Tovar, David
2
Clarence J. Marshall Memorial Library Fund
2
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