Author
ScienceDirect (Online service)
61
LINK (Online service)
41
Wiley InterScience (Online service)
36
Institut national de la recherche agronomique (France)
34
U.S. Fish and Wildlife Service
26
BioOne (Organization)
24
New Jersey Agricultural Experiment Station
23
United States. Department of Agriculture
23
United States. Forest Service
23
JSTOR (Organization)
22
American Fisheries Society
19
Making of the Modern World
16
Society of American Foresters
15
United States. Agricultural Statistics Board
15
Commonwealth Agricultural Bureaux
14
Food and Agriculture Organization of the United Nations
14
American Society of Agronomy
13
New Jersey State College of Agriculture. Extension Service
13
Soil Science Society of America
13
United States. National Marine Fisheries Service
13
American Periodicals Series
12
New Jersey. Department of Agriculture
12
United States. Agricultural Research Service
12
Wildlife Society
12
Agricultural Institute of Canada
11
American Forestry Association
11
Rutgers University
11
American Phytopathological Society
10
American Society for Horticultural Science
10
Entomological Society of America
10
United States. National Park Service
10
British Veterinary Association
9
Crop Science Society of America
9
Forest History Society
9
New York Botanical Garden
9
Weed Science Society of America
9
Association of Avian Veterinarians
8
CSIRO (Australia)
8
Cook College. Cooperative Extension Service
8
Hindawi Publishing Corporation
8
Rutgers Cooperative Extension
8
Rutgers University. Cooperative Extension Service
8
Australian Institute of Agricultural Science
7
EBSCO Publishing (Firm)
7
Garden History Society (Great Britain)
7
National Parks Association (U.S.)
7
Rutgers University. Extension Service
7
SPARC (Organization)
7
South Africa. Department of Agricultural Technical Services
7
South Dakota Agricultural Experiment Station
7
more ...