This page links to library searches, online databases, and other venues where you can locate a journal article by title, journal, or identifier (such as
DOI or
PMID). It's a good idea to start with a search engine, as it will have the most comprehensive coverage. Besides, many of the online databases listed below include free full text.
If you're looking for a source that isn't a journal article, try the
Find your Source guide. For books, you can also use
Special:BookSources to search by
ISBN.
Full search
These sites include all academic content, so results may be behind a paywall.
Comprehensive
Find this article at
Google Scholar, a search engine that collates different versions of articles (including open-access versions)
Visit
Knowtro, an open-access platform allowing you to search by variable across thousands of papers
Author-uploaded repositories
These are sites where researchers post copies of their published articles for other researchers to access, sometimes in full text. Where no full text is available, you can contact the author directly to request a copy.