The Utah Experiment Station bulletins originally published, outlining satisfactory methods for reducing injury by the codling moth, are no longer available for distribution. This circular. contains in briefer form the essential information for controlling the pest.
Hagan, Harold R., "Circular No. 30 - The Codling Moth (Carpocapsa pomonella L.)" (1918). UAES Circulars. Paper 25.