• Compendex - Engineering and related disciplines.
• ERIC (EBSCO Software) - The major database indexing books and articles in the field of education and providing some full text since 1992.
• Education Full Text - Contemporary education issues.
• Technology Research Database - A comprehensive database which provides a single file for searching all fields of Engineering and Technology.
• Professional Development Collection - Highly specialized information for professional educators.

• Web of Knowledge - ISI Web of Knowledge provides access to Web of Science, ISI Proceedings, BIOSIS Previews, MEDLINE, Web Citation Index, and Journal Citation Reports.
• PsycINFO - Covers literature in psychology and related disciplines including medicine, psychiatry, neuroscience, nursing, sociology, education, pharmacology, physiology, linguistics, and other areas.
• Sociological Abstracts - Activism & action research, community organization, demographics, family studies, feminist studies, gerontology, media, political science, social security programs, sociology are covered.
• Social Sciences Abstracts / Full Text - Anthropology, area studies, family studies, law and criminology, political science, psychology, sociology, women´s studies, and related disciplines.
• Dissertations and Theses (PQDT) - Index of theses and dissertations from U.S. and international universities.

Here's a way to include a link to Purdue Library holdings from Google Scholar. The OpenURL referrer put the Find It @ Purdue icon in your Google Scholar search results, allowing for quick, easy determination if you can get an electronic copy of an article.
     http://www.openly.com/openurlref/