This database compliments Gale's Literature Resource Center which contains Contemporary Authors, Contemporary Authors New Revisions, the Dictionary of Literary Biography, as well as criticism. Ten individual Gale series comprise Literature Criticism Online, representing a range of modern and historical views on authors and their works, across all regions, eras and genres:
EBSCO's Academic Search Ultimate and ProQuest's Research Library are the two largest research databases. They contain information from major journals and outstanding books in all disciplines, so they are a source of literary criticism.