History (general) 

• Academic OneFile
• America History and Life
  
• Book Review Digest (1983 - )
• Book Review Digest Retrospective
• Book Review Index
• JSTOR
  
• Literature Resource Center (>100,000 authors)
• New York Review of Books (1963 - )
• New York Times Book Review (1997-)
• New York Times Book Review (Jun 1980- )
• Periodicals Archive Online
• Periodicals Index Online (up to and including 1995)
• ProQuest (interface for multiple databases)
• Reviews in History (from the Institute of Historical Research)
  
• TLS (Times Literary Supplement Archive (Oct 1994-6mo ago)
• TLS (Times Literary Supplement) centenary archive (1902-90 )

Book reviews are written when a book or film first comes out. They are usually short pieces in newspapers, journals or online review organs. Put the title of the book in quotes, and select "review" as the document type. Look to databases help screens for more detail. Remember that contemporary reviews of older books may be found in print indexes. The following guide has a chronological list of sources for book reviews.