To find reviews of a book by an established author, you might start by checking the Libraries' catalog for a bibliography devoted to that author. To do this, search for: bibliography <author's name> and select "subject" from the pull down menu. Ex. bibliography wharton
In the event that there is not a bibliography available, then the following indexes of reviews may help.
Contains a wide range of British newspapers and journals published from 1800-1900. Includes material not only from Great Britain ( but not Wales) but also from a number of British possessions at the time, including Australia, Canada, India, Ireland, New Zealand, and South Africa.
The following indexes are located offsite (follow the links to the catalog records to see more details or make a request for an offsite book).