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)
If you know the item you want, and Penn State does not own it, use Interlibrary Loan!
Try these databases if you want to search other libraries by subject or author.
You can request the items directly from these systems and they will automatically use our InterLibrary Loan service