PsycINFO contains more than 4 million bibliographic records for research in the field of psychology, including citations, journal articles, book chapters, books, dissertations, and technical reports. Journal coverage spans the 17th century to present, including international material selected from more than 2,500 periodicals in over 35 languages. More than 60,000 records are added each year. Also includes information about the psychological aspects of related disciplines such as medicine, psychiatry, nursing, sociology, education, pharmacology, physiology, linguistics, anthropology, business and law. Incorporates searchable full text articles from 43 journals published by the American Psychological Association and 8 from allied organizations.