Juvenile Delinquency.

Robert G. Caldwell, Frank R. Hellum, J. A. Black • 1973

Criminology.

Robert G. Caldwell, Marshall B. Clinard • 1956

Red Hannah: Delaware's Whipping Post.

Robert G. Caldwell, E. H. Sutherland • 1948

The Deterrent Influence of Corporal Punishment upon Prisoners Who Have Been Whipped

Robert G. Caldwell • 1944

Delaware Notes: The New Castle County Workhouse.

Robert G. Caldwell, Donald Clemmer • 1942