Columbia subject headings:
Drug abuse--France--History--20th century.
Drug addiction--France--History--20th century.
Drug addicts--France--History--20th century.
Narcotics--France--History--20th century.
Harvard subject headings:
Drug abuse--France--History--20th century.
Drug addicts--France--History--20th century.
France--Social conditions--20th century.
Princeton subject headings:
Drug abuse--France--History--20th century.
Drug addicts--France--History--20th century.
France--Social conditions--20th century.