International literature in psychology and related disciplines such as psychiatry, education, business, medicine, nursing, pharmacology, law, linguistics, and social work. All records from 1967 to the present are indexed using the Thesaurus of Psychological Index Terms. The sources include over 1,800 professional journals, chapters, books, reports, theses, and dissertations, published internationally. Additionally, there are more than 8 million cited references in 185,000 journal articles, books, and book chapters. PsycINFO is a department of the American Psychological Association (APA).