This is a very select list of available article databases. If you want to look for others, go to this page and click through to your discipline (political science, sociology, history, etc.). Here you will find a selection of the most useful databases for each discipline listed.
Searches multiple literary sources, including: Dictionary of Literary Biography, Literature Criticism Online, Literature Resource Center, Scribner Writer Series, and Twayne's Authors Series. Scroll down to click on Gale's Literary Index, a master index to the major literature products published by Gale.
New electronic journals are popping up every day, so I will not include many links here. To find electronic journals accessible from UCLA as well as journals freely available on the web, go to the UCLA Library's e-journals search. You can search by keyword or exact phrase, such as "American poetry," or you can limit by subject area.
ProQuest, the company that published Early English Books Online and LiON, has put together training guides for both resources. If you'd like additional training on how to use either, please check them out.