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Ecology: Find Books and Videos

This research guide contains resources used to find information on ecology-related topics.

Search Inside Books

Call Numbers

The Library of Congress classification for ecology is QH. More specifically, QH is broken down as follows:

  • QH1-278.5 Natural history (General)
  • QH301-705.5 Biology (General)
  • QH540-549.5 Ecology

Browsing in any of these areas may lead to the discovery of valuable material in addition to the specific items listed in this guide.

Search the Library Catalog

WorldCat logoUse WorldCat to search for books and other materials owned by the Madigan Library as well as those owned by libraries all over the world; used mainly for books, but also includes videos, maps, archival materials, and web resources.  If an item is not owned by Penn College and you want it, we can get it for you through our interlibrary loan service, ILLiad.  Follow these steps:   

  • Identify an item in WorldCat that the Madigan Library doesn't own
  • Click on the link that says "Borrow this item from another library (interlibrary loan)"
  • Login to ILLiad, or create a new user profile and then login to ILLiad
  • Verify the information on the request form is correct, then click on the "submit" button
  • Check your PCT e-mail account for notices that your item has been received

Subject Guide

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Helen Yoas
Madigan Library, LIB137
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