Academic Search Complete is a large, easy-to-use, multidisciplinary collection with many full-text articles dating from before 1900s. Search thousands of newspapers, popular magazines, and scholarly journals from a variety of subjects. Your search can also be limited to full-text and peer-reviewed (scholarly) articles.
JSTOR is a digital library of academic journals, books, and primary sources, with a broad variety of coverage in the humanities, social sciences, and sciences, spanning more than 50 disciplines. Collections on JSTOR include the complete archival records of thousands of journal titles.