There are some journals that primarily publish reviews:
H-Net Reviews can also be a useful source for book reviews. H-Net Reviews has reviews from 1993 to the present and is fully searchable by keyword.
America: History & Life is the best source for scholarly book reviews for topics in North American history. Book reviews started appearing in this database in 1974.
1. Type in some keywords from the book's title in the search box and select TI Title as the index:
2. Scroll down and select "Book Review" from the Document Type list:
Use Find Full Text to find the journal online, in Pepperdine Libraries, or, if not available at Pepperdine, Request via Tipasa ILL to get an electronic copy from another library at no charge to you.
Use Historical Abstracts to locate scholarly book reviews on the history of the world from 1450 to the present (excluding the United States and Canada)