New items – 2 total

• National Household Survey on Drug Abuse, 1999

  http://www.icpsr.umich.edu/icpsrweb/ICPSR/studies/3239

  data 02/14/2002

• Federal Justice Statistics Program: Arrests and Bookings for Federal Offenses, 2004 [United States]

  http://www.icpsr.umich.edu/icpsrweb/ICPSR/studies/24181

  data 02/09/2009