Academic Search PremierProvides full text for many topics. Great place to start research.
The world’s largest academic multi-disciplinary database, it provides full text for nearly 4,500 journals, including full text for more than 3,600 peer-reviewed titles. Coverage spans virtually every area of academic study. PDF files to 1975 or further are available for more than one hundred journals, and searchable cited references are provided for 1,000 titles.