• Use the Keyword function and combine terms to search on a topic then use the subject headings from relevant books for additional search terms.
• Write down the call number and location for any book you want. If the item is not at your campus use the "I Want It" button to request it. 
• For electronic books, click the link under the words "online content" to access the full text

You can also find books via

Suggested CAT Search Terms: Search for general terms like environment, ecology, natural history or more specific terms like biological diversity, bioremediation, environmental monitoring, ecotoxicology, sustainable development.

General call numbers and subject areas are:

GE - Environmental Sciences 
QH - Natural History and Genetics
QL - Zoology
QP - Physiology
QR - Microbiology
RA - Public Health [environmental health, water supply]
TD - Environmental Technology 

At University Park most materials will be on the 4th floor of Paterno Library, but check the CAT location carefully as they may be housed on 3rd Paterno, in the Earth and Mineral Sciences Library (105 Deike), the Engineering Library (325 Hammond) or the Physical and Mathematical Sciences Library (201 Davey Lab)