- EBSCO (log in to your AP Digital Portfolio and scroll to the bottom for the link to EBSCO)
- Google Scholar (“Eight Tips to Google like a Pro“)
- Library of Congress Online Catalog
- JSTOR (“more than 12 million academic journal articles, 85,000 books, and 2 million primary source documents in 75 disciplines”)
- ERIC (Educational Resources Information Center)
- PubMed (National Center for Biotechnology Information, U.S. National Library of Medicine)
- ScienceDirect
- CQ Researcher
- Encyclopedia Britannica (username: rpshome / password: home)
- Gale in Context: Opposing Viewpoints (password: schools)