ProQuest Central is a database of periodical content that covers more than 160 subject areas. It includes scholarly journals, magazines, newspapers, and trade publications.
Academic OneFile contains peer-reviewed and full-text scholarly content across all academic disciplines.
Credo Reference features hundreds of encyclopedias and dictionaries. This is a great source for background reading about a topic.
Gale OneFile: Fine Arts provides access to scholarly journals and magazines that support research in areas including drama, music, art history, and filmmaking.
JSTOR is an online archive of academic journals from across many disciplines, including Anthropology, Archaeology, the Humanities, Literature, and Social Sciences. It includes historical content.