The validity of two parole prediction scales
Subtitle: an eight year follow up study
By: Don M. Gottfredson and Kelley B. Ballard, Jr
Contributors: Ballard, Kelley B.; Institute for the Study of Crime and Delinquency (Sacramento, Calif.)
Publisher: California Medical Facility; Institute for the Study of Crime and Delinquency
Published: 1965
Place of publication: Vacaville, Calif; Sacramento]
Language: eng
Number of pages: 77
Subjects: Parole
Notes: Cover title.

Includes bibliographical references.