• 4 Verona Shelving Facility
• 3 Memorial Library
• 2 Middleton Shelving Facility
• 2 Shared Print Repositories
• 2 Steenbock Library
• 1 Geology and Geophysics Library (Leith)
• 1 Limnology Library

• 1 Carcinogens
• 1 Carcinogens, Environmental
• 1 Environmental Exposure
• 1 National Toxicology Program (U.S.)
• 1 Research
• 1 Science
• 1 Toxicity testing
• 1 Toxicology
• 1 Water Pollution
• 1 Water Supply
• 1 Water quality management
• 1 Water-supply engineering
• 1 Waterworks

• 2 National Toxicology Program (U.S.)
• 1 American Association for the Advancement of Science
• 1 American Water Works Association
• 1 Michels, John, 1875-
• 1 Water Environment Federation
• 1 Water Pollution Control Federation

• 5 English

• 2 United States

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