Drug use and the transition to young adulthoodTimothy F. Hartnagel · First published 1992Open the Tome
Social integration and Canadian provincial crime ratesTimothy F. Hartnagel · First published 1989Open the Tome
High school dropouts, labour market success, and criminal behaviourTimothy F. Hartnagel, H. Krahn, University of Alberta. Population Research Laboratory. Centre for Criminological Research · First published 1988Open the Tome
Critique and explanationTimothy F. Hartnagel, Silverman, Robert A. · First published 1986Open the Tome
