1Search use to find books in OSU and Summit libraries, which journals the library subscribes to, and much more.
America: History and Life is the main database for finding citations & abstracts for U.S. History articles or book reviews.
Historical Abstracts provides citations & abstracts for articles and books covering historical topics outside of the U.S. (and Canada).
JSTOR provides full-text to many back issues history, interdisciplinary and area studies journals.
Project Muse provides full-text to current years of many history, interdisciplinary and area studies journals.