This guide points to many sources for book reviews. Also, the databases for finding scholarly articles often also identify reviews in those journals.
H-Net Reviews is a good source for scholarly reviews.
In addition, the Web of Science (don't let the name fool you) allows you to track articles as they are cited through time and also identify book reviews.
First, you want to know the different types of periodical articles.
The resources listed below are good starting points to find articles about your topic.
One good strategy when you are searching the library catalog is to begin with a simple keyword search to identify one or more relevant books. Once you have located a relevant item, you can look at the item's Library of Congress Subject Headings within the item's full record tab and follow the subject heading links in the catalog to find other, similar or related books.
You can also refine your results by using the facets on the left side of the screen.
Sample searches in the catalog