Reference Material in the form of subject dictionaries, encyclopedias, and handbooks typically provide background essays, definitions, broad overviews of various topics, or other pertinent facts. Search across a collection of titles like Sage eReference
Corsini Encyclopedia of Psychology and Behavioral Science
Encyclopedia of Social Science Research Methods
International Encyclopedia of the Social & Behavioral Sciences
Oxford Bibliographies: Education
Oxford Research Encyclopedia of Education
Philosophy of Education: An Encyclopedia
Review of Research in Education