Books and Monographs

1	What America's Users Spend on Illegal Drugs, 1988-1993. Rhodes, William ; Scheiman, Paul ; Pittayathikhun, Tanutda ; Collins, Laura ; Tsarfaty, Vered -- [Cambridge, MA] : Abt Associates Inc., Spring 1995 Call No: HV 5825 R52 1995
2	What America's Users Spend on Illegal Drugs, 1988 - 1991. Rhodes, William ; Scheiman, Paul ; Carlson, Kenneth -- Cambridge, MA : Abt Associates, Inc., 1993 Call No: HV 5825 R52 1993