Additional works on endangered species may be identified by searching the Library of Congress Online Catalog under the appropriate Library of Congress subject headings. Choose the topics you wish to search from the following list of Library of Congress subject headings to link directly to the Catalog and automatically execute a search for the subject selected. Please be aware that during periods of heavy use you may encounter delays. For assistance in locating other subject headings which relate to Endangered Species, please use our Ask a Librarian service.

The following selected terms will execute searches in the Library of Congress Online catalog, providing lists of materials that have been assigned particular subject headings or match a keyword search.