The Mildred A. Wirt Benson web site has reviews of all of Benson's works, grouped by series.
The Ghost of Ladora is an article written by Benson and details how she wrote her books
Feminism in Adolescent Literature: A Literature Review of Nancy Drew from Indiana University South Bend.
Readers Remain Captivated by Nancy Drew was written for the Associated Press by Erica Noonan.
Additional criticism and review of Carolyn Keene (Mildred Wirt Benson)'s works can be found at your local public library.
The following reviews can be accessed online only by an individual who has a current library card through this address.
"Nancy and Her Sisters." (Nancy Drew author remembered)
Article by Thomas Leitch.
Kirkus Reviews, July 1, 2002 v70 i13 p895(1).
"…It's been half a century since Benson stopped chronicling the adventures of Nancy and her plucky chums Bess and George, and many of the girls who waited so avidly for each new adventure have moved on to other kinds of reading. But Nancy's continuing influence is everywhere…"