2-1. Characteristics of Opium Use Among Chinese in the United States, circa 1900

2-2. Prevalence of Opium Use Among Chinese in the United States, 1870-90

4-1. Demand for and Supply of Farm Labor in California, 1918-30 4-2. Drugs Involved in Arrests, California, 1930

4-3. Nationality of Persons Arrested for Drug-Related Offenses,'San Francisco and Los Angeles, 1930

4-4. Arrests of Adult Prisoners, Los Angeles, 1926-27, by Nativity and Charge

5-1. Average Annual Number of Arrests and Arrest Rates, Nonfederal Narcotic Violators, by Race, 1934-41

5-2. Narcotics Offenders Reported in New York City, 1946-54

5-3. Multiple Correlations of Selected Combinations of Variables with Drug Rates in High-Use Areas of New York, 1949-55

5-4. Comparison of Black and White Drug Users and General Populations, New York City and Chicago

5-5. Teenage Share of the Total Population, 15-19-Year-Olds, by Race and Sex, 1920-70

5-6. Ratio of School Nonattenders to Attenders, Male 14-19-YearOlds, by Race, New York City, 1940-60

5-7. Employment Among Male 14-19-Year-Olds, by Race, 1940-50 6-1. Nonfederal Narcotics Arrests, by Race and Age, 1957-71. 6-2. Nonfederal narcotics arrests, by age, 1968-71.

6-3. Admission for Drug Addiction—United States Army Personnel, Total Army by Year, 1947-53, and Selected Areas by Year, 1950-53

6-4. Comparison of Drug-Use Patterns Among Enlisted Returnees from Vietnam, by Year