PsycINFO This database contains more than one million citations and summaries of journal articles, book chapters, books, dissertations and technical reports, all in the field of psychology. It also includes information about the psychological aspects of related disciplines such as medicine, psychiatry, nursing, sociology, education, pharmacology, physiology, linguistics, anthropology, business and law. Journal coverage, which spans from 1887 to present, includes international material selected from more than 1,700 periodicals in over 35 languages.