EconLit source material includes journal articles, essays, research papers, books, dissertations, book reviews, and working papers. The database contains more than 350,000 records and covers subjects from accounting, consumer economics, monetary policy, labor, marketing, demographics, modeling, economic theory, planning, and more. Years of coverage are 1969-present with approximately 26,000 records added annually. 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. Over 50,000 references are added annually.
Popular literature is excluded.
Presently the largest education database in the world, ERIC contains over one million citations covering research documents, journal articles, technical reports, program descriptions and evaluations, and curricular materials in the field of education. Researchers, teachers, policymakers, librarians, journalists, students, parents, and the general public will all find ERIC a key source for education information. In addition to ERIC subject descriptors and extensive abstracts, citations include detailed source, geographic, institutional, and availability information. Full Boolean, phrases. Google uses this method to refer Google searchers to what it considers the best documents on the web.