Finding Secondary Sources
America: History and Life (1955- ) includes books, book chapters, journal articles, and book reviews.
Historical Abstracts (1954- ) includes books, book chapters, journal articles (but not book reviews) for non-North American history, 1450-date.
Bibliography of British and Irish History is a comprehensive bibliography of secondary sources dealing with the British Isles, British Empire and Commonwealth.
Web of Science Citation Indexes allow citation searching, that is, starting with an article of interest and finding more recent articles that have cited it. More information.
JSTOR offers full-text of complete runs (up to about 5 years ago) of over 400 journals. Allows simultaneous or individual searching, full-text searching optional, of many historical journals. Use Advanced Search.