approx. 1975+ (varies by source) Scholarly, multi-disciplinary database containing full text for more than 4,650 publications, including more than 3,600 peer-reviewed publications. In addition to the full text, this database offers indexing and abstracts
Journal index of more than 485 core English-language scientific and technical publications. Topics include engineering, acoustics, chemistry, computers, metallurgy, physics, plastics, telecommunications, transportation, and waste management; includes full
(1861 - ) The complete range of academic subjects appearing in dissertations accepted at accredited institutions since 1861. Abstracts included from July 1980; abstracts for masters theses beginning Spring 1988. Updated monthly.
Information on journal rankings and impact factors in the sciences and social sciences, based on citation data drawn from over 8,400 scholarly and technical journals worldwide. Coverage is both multidisciplinary and international, and incorporates journals from over 3,000 publishers in 60 nations.