Columbia subject headings:
Youth--Alcohol use--Treatment--United States--Directories.
Youth--Alcohol use--United States--Prevention--Directories.
Youth--Drug use--Treatment--United States--Directories.
Youth--Drug use--United States--Prevention--Directories.
Harvard subject headings:
Youth--Alcohol use--Treatment--United States--Directories.
Youth--Alcohol use--United States--Prevention--Directories.
Youth--Drug use--Treatment--United States--Directories.
Youth--Drug use--United States--Prevention--Directories.
Princeton subject headings:
Directories.
Youth--Alcohol use--Treatment--United States--Directories.
Youth--Alcohol use--United States--Prevention--Directories.
Youth--Drug use--Treatment--United States--Directories.
Youth--Drug use--United States--Prevention--Directories.