Use Google Scholar to find articles from a wide variety of academic publishers, professional societies, preprint repositories and universities, as well as scholarly articles available across the Web. A drawback is that not all articles are free.
The PsycINFO®, database, 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 over 3 million records and summaries dating as far back as the 1600s with one of the highest DOI matching rates in the publishing industry. Journal coverage, which spans from the 1800s to the present, includes international material selected from around 2,500 periodicals in dozens of languages.