PsycINFO The American Psychological Association’s (APA) renowned resource for abstracts of scholarly journal articles, book chapters, books, and dissertations, is the largest resource devoted to peer-reviewed literature in behavioral science and mental health. It contains approximately 3 million citations and summaries dating as far back as the 1600s with DOIs for over 1.4 million records. Journal coverage, which spans from the 1800s to present, includes international material selected from around 2,400 periodicals in dozens of languages.