Academic OneFile is the premier source for peer-reviewed, full-text articles from the world's leading journals and reference sources.
With extensive coverage of the physical sciences, technology, medicine, social sciences, the arts, theology, literature and other subjects, Academic OneFile is both authoritative and comprehensive. With millions of articles available in both PDF and HTML full-text with no restrictions, researchers are able to find accurate information quickly. Includes full-text coverage of the New York Times back to 1995. Updated daily.
ProQuest Multiple Databases is a multi-disciplinary index suitable for both undergraduates and graduate students.
It simultaneously searches dozens of subject areas, indexes thousands of general and scholarly titles, and provides full-text for a significant number of the articles included from a variety of contemporary research databases. It is an excellent starting place for research for a paper, particularly if one isn't sure where to begin their research.
Based on Landolt-Bornstein, SpringerMaterials is a data collection database in all areas of physical sciences and engineering.
It consists of 70,000 online documents (extracted from 380 printed volumes), includes more than 120,000 figures, more than 1 million literature references and over 65,000 keywords. The search interface is Google like, and the search results are displayed in PDF formats.