Hartley, R. and Miller, J. (2010). Crack-ing the media myth: reconsidering sentencing severity for cocaine offenders by drug type. Criminal Justice Review, 35(1), 67-89.

Lynch, M. (2012). Theorizing the role of the "war on drugs" in U.S. punishment. Theoretical Criminology, 16(2), 175-199.

Wu, J. and Spohn, C. (2008). Interdistrict disparity in sentencing in three U.S. district courts. Crime and Delinquency, 56(2), 290-322.