This authors studied two cohorts of juveniles -- 500 persistently delinquent boys, and 500 non-delinquents -- in an attempt to establish the causes of criminal

The International Library of Sociology (ILS) is the most important series of books on sociology ever published. Founded in the 1940s by Karl Mannheim, the serie

Based on the re-analysis of Sheldon and Eleanor Gluecks' mid-century study of 500 delinquents and 500 non-delinquents from childhood to adulthood, this informal