Reference sources provide a broad or general introduction to a topic, and often provide links or "pointers" (e.g., bibliographies, references, authors) to other information sources. They are a great place to begin exploring your research topic, and may help you convert a very broad topic into a more focused, more specific research question. Specific reference sources include dictionaries and encyclopedias.
Diagnostic and Statistical Manual of Mental Disorders
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The ACA Encyclopedia of Counseling
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Encyclopedia of Educational Psychology
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Full text of the McGraw-Hill Encyclopedia of Science & Technology, with thousands of illustrations, animations, images and the latest headlines, biographies, and more.
Offers fully-indexed, cross-searchable dictionary, language reference, and subject reference works published by Oxford University Press, including Oxford Companions Series. Covers a wide range of fields and includes illustrations, maps, timelines, biographies, and links to authoritative websites.