This is the APA’s electronic library of full-text books contains more than 67,000 book chapters and 4,500 peer-reviewed books. Material as far back as 1620 is included.
Thousands of Research Instruments and Their Psychometric Properties. More than 61,000 records. Includes descriptive fields, including Methodology, Test Language and Factors/Subscales, as well as a list of Source Citations for records with corresponding APA PsycInfo and APA PsycExtra records
GEObase is a multidisciplinary database of indexed, research literature on the earth sciences, including geology, human and physical geography, environmental sciences,
oceanography, geomechanics, alternative energy sources, pollution, waste management and nature conservation.
Georef established by the American Geosciences Institute.
Contains over 4.2 million references to geoscience journals and other resources.