The catalog of works digitized by members of the Hathi Trust--many U.S. academic libraries. Searches the full text of works, but can display only those in the public domain--usually pre-1923 publications.
Searches the Annual Bibliography of Englilsh Language and Literatures and the full text of 300+ journals contained in Literature Online. ABELL lists monographs, periodical articles, critical editions of literary works, book reviews, collections of essays and doctorial dissertations dealing with the study of literature and linguistic published anywhere in the world. Coverage is 1920 to date.
JSTOR is a full-text database consisting of the Arts and Sciences I, II, III, IV, Complement, Ecology & Botany and General Science Collections which provide access to the back files of over 300 scholarly journals from the sciences, social sciences and arts and humanities.
Project Muse provides full-text access to more than 100 scholarly journal titles from the Johns Hopkins University Press and other University presses covering the Humanities, Social Sciences, and Mathematics.