Author
ScienceDirect (Online service)
37
SpringerLink (Online service)
15
EBSCOhost
9
Andelt, William F.
8
Colorado. Division of Parks and Outdoor Recreation
8
Colorado State University. Cooperative Extension Service
6
United States. Animal and Plant Health Inspection Service
6
Colorado. Division of Wildlife
5
Colorado. General Assembly. Legislative Council
4
Ebooks Corporation
4
Infobase,
4
ProQuest (Firm)
4
ABC International
3
Altmann, Luisa
3
Colorado. Department of Regulatory Agencies. Office of Policy, Research, and Regulatory Reform
3
Colorado. Parks and Wildlife
3
Hopper, Stuart N. 1966-
3
Juvenile Collection (Library of Congress)
3
MacLachlan, Patricia,
3
Raschka, Christopher,
3
Rylant, Cynthia,
3
SpringerLink (Online Service)
3
Sullivan, Mary, 1958-
3
United States. Animal and Plant Health Inspection Service,
3
United States. Congress. House. Committee on Veterans' Affairs. Subcommittee on Health
3
Bay, Elaine, 1976-
2
Bemelmans, Ludwig, 1898-1962
2
Bennett, Jeffrey O.
2
Bennett, Jeffrey O.,
2
Candlewick Press,
2
Cleary, Beverly
2
Colorado Agricultural Experiment Station
2
Colorado Natural Heritage Program
2
Colorado State University. Extension
2
Colorado. Department of Public Health and Environment. Laboratory Services Division
2
Colorado. Grassland Species Working Group
2
Cowell, Rick L.,
2
Davis, Jacky, 1966-
2
De Jong, Meindert, 1906-1991
2
DiBartola, Stephen P.
2
DiCamillo, Kate,
2
DiPersio, Cindy E.
2
Geological Survey (U.S.)
2
Geological Survey (U.S.),
2
Green, Jeffrey S.
2
Haddon, Mark, 1962-
2
Herriot, James
2
Hesse, Karen
2
Hickey, Colin
2
Hnilica, Keith A.
2
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