Author
United States Department of Agriculture
1,004
ebrary, Inc
405
Food and Agriculture Organization of the United Nations
364
United States National Park Service
364
United States Bureau of Entomology
326
Canada Pest Management Regulatory Agency
323
United States Agricultural Research Service
279
ProQuest (Firm)
255
Culinary Collection (University of Pennsylvania)
244
International Rice Research Institute
194
United States Forest Service
187
SpringerLink (Online service)
176
Bailey, L. H (Liberty Hyde), 1858-1954
174
United States Bureau of Plant Industry
169
Harvard University Graduate School of Design
165
Royal Horticultural Society (Great Britain)
164
De Gruyter
148
Chef Fritz Blank Culinary Archive and Library (University of Pennsylvania)
146
Sunset Books
130
Julio Mario Santo Domingo Collection
128
Organisation for Economic Co-operation and Development
118
Jekyll, Gertrude, 1843-1932
112
C.A.B. International
110
EBSCOhost
106
International Crops Research Institute for the Semi-arid Tropics
103
Brooklyn Botanic Garden
102
International Crops Research Institute for the Semi-Arid Tropics
100
Kole, Chittaranjan
99
Janick, Jules, 1931-
97
Philadelphia Society for Promoting Agriculture Collection (University of Pennsylvania)
95
United States General Accounting Office
95
Nick Malgieri Culinary Archive and Library (University of Pennsylvania)
92
Chittenden, F. H (Frank Hurlbut), 1858-1929
88
Lownes Science Collection (Brown University)
83
American Horticultural Society
80
Downing, A. J (Andrew Jackson), 1815-1852
80
American Phytopathological Society
79
John Dixon Hunt Fund
79
American Chemical Society Division of Agrochemicals
78
Hunt, John Dixon
78
Taylor & Francis
78
Wiley InterScience (Online service)
78
Sunset Magazine (Firm)
75
United States Division of Entomology
74
American Society of Landscape Architects
73
Robinson, W (William), 1838-1935
73
Wolschke-Bulmahn, Joachim
73
International Board for Plant Genetic Resources
72
American Chemical Society Meeting
68
Gotham Book Mart Collection (University of Pennsylvania)
67
more ...