• 141 Cooperative Children's Book Center (CCBC)
• 116 MERIT Library
• 13 Information School Library
• 12 Wisconsin Historical Society Library
• 3 Arboretum Research Library
• 3 College Library
• 3 WHS State Archives Preservation Facility
• 1 AMP Library
• 1 AOSS Library
• 1 Gender and Women's Studies Librarian's Office
• 1 Law Library
• 1 Special Collections (Memorial Library)

• 533 Books

• 50 Water
• 35 History
• 34 Ecology
• 26 Indians of North America
• 23 Frogs
• 21 Environmental protection
• 21 Hydrologic cycle
• 17 Marine animals
• 16 Animals
• 16 Birds
• 16 Climatic changes
• 16 Science
• 15 Ocean
• 14 Fishes
• 14 Social life and customs
• 13 Pollution
• 12 Experiments
• 12 Ojibwa Indians
• 11 Global warming
• 10 Environmentalists
• 10 Nature
• 10 Wetlands
• 9 Citizen participation
• 9 Research
• 9 Shipwrecks

• 10 Cole, Joanna
• 8 Arnosky, Jim
• 8 Sayre, April Pulley
• 7 Pringle, Laurence, 1935-
• 6 Jenkins, Steve, 1952-2021
• 5 Bang, Molly
• 5 Degen, Bruce
• 5 Ylvisaker, Anne
• 4 Cerullo, Mary M
• 4 Great Lakes Indian Fish & Wildlife Commission
• 4 Guiberson, Brenda Z
• 4 Kurtz, Kevin
• 4 Relf, Patricia
• 4 Scholastic Productions
• 3 Bonin, Diana Rice
• 3 Bracken, Carolyn
• 3 Burleigh, Robert
• 3 Chisholm, Penny
• 3 Davie, Helen
• 3 George, Jean Craighead, 1919-2012
• 3 Gibbons, Gail
• 3 Kalman, Bobbie
• 3 Keating, Jess
• 3 Malone, Bobbie, 1944-
• 3 McGee, John F.

• 531 English
• 6 Ojibwa
• 4 Spanish
• 1 Chamorro
• 1 North American Indian (Other)

• 32 United States
• 12 Great Lakes Region (North America)
• 11 Great Lakes (North America)
• 10 North America
• 9 Wisconsin
• 8 Great Lakes Region
• 6 Panama
• 5 Earth (Planet)
• 5 Great Lakes
• 5 Panama Canal (Panama)
• 4 Grands Lacs (Amérique du Nord)
• 3 Canada
• 3 England
• 3 Grands Lacs, Région des (Amérique du Nord)
• 3 Japan
• 3 Lake Michigan
• 3 Michigan, Lake
• 3 Pacific Ocean
• 3 Tropics
• 3 Washington (State)
• 3 États-Unis
• 2 Angleterre
• 2 British Columbia
• 2 Florida
• 2 France

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