Academic Search Ultimate (A) A partly full-text article and indexing database that covers almost all subjects. Includes academic or scholarly journal articles, plus magazine and newspaper articles. Limit to full-text results to make it easier.
Academic OneFile (A). very similar to above with some different titles and a different look and feel. Note the filters at the top of the results page: choose Academic Journals, Magazines, Books, etc.
JSTOR (J). A huge, full-text article and book chapter database. Good especially for research in literature and history but can be used for any topic. If you don't find great results, try another database.
Ebook Central (E) A huge database of electronic books. Just follow the links to log in, and look at the table of contents or index to see where your topic is discussed.
Nexis Uni (N) This database includes newspaper articles from all over the world, including non-English language sources. It also has business and legal publications.