Historical Abstracts (EBSCO)
This database is the most essential index for articles about world history.
JSTOR: The Scholarly Journal Archive
This database has full-text/image for many of the most important history journals.
The American Historical Association’s Guide to Historical Literature
The print edition is also available in the Reference Stacks at D20.3.A55 1995. This bibliography lists important sources for all major geographic areas, not just the United States.