PsycINFO The PsycINFO database covers the professional and academic literature in psychology and related disciplines including medicine, psychiatry, nursing, sociology, education, pharmacology, physiology, linguistics, and other areas. PsycINFO's coverage is worldwide, and includes references and abstracts to over 1300 journals in more than 20 languages, and to book chapters and books in the English language. Over 50,000 references are added annually. Popular literature is excluded.