PsycBOOKS from the American Psychological Association (APA), includes chapters in PDF from books published by the APA and other distinguished publishers, and includes digitized content of historical significance from the Archives of the History of American Psychology (AHAP) collection. It also contains classic books of landmark historical impact in psychology dating from the 1600s, and the exclusive electronic release of authored entries from APA/Oxford University Press Encyclopedia of Psychology.
PsycTESTS, produced by the American Psychological Association (APA), serves as a repository for a growing selection of psychological tests and measures, including thousands of actual test instruments and test items that are available for immediate download and use in research and teaching. International in scope, PsycTESTS® also provides access to an increasing number of tests that are available in languages other than English. PsycTESTS® is an authoritative source of structured information about tests of relevance to psychologists and professionals in related fields such as psychiatry, management, business, education, social science, neuroscience, law, medicine, and social work. While focused on contemporary instances of test use, coverage spans more than a century.