Charles W. Ramsdell, Jr. (1909-1973) was the son of noted historian Charles W. Ramsdell and Susanna Griffith Ramsdell. Ramsdell attended the University of Texas and traveled extensively in Mexico before working as a historian for the National Park Service. Ramsdell published a highly-regarded guidebook, San Antonio, a Historical and Pictorial Guide, in 1959 and updated it in 1968.