Columbia subject headings:
Alcoholism--Congresses.
Alcoholism--Prevention--Congresses.
Alcoholism--United States--Congresses.
Alcoholism--United States--Prevention--Congresses.
Harvard subject headings:
Alcoholism--Congresses.
Alcoholism--Prevention--Congresses.
Princeton subject headings:
Alcoholism--United States--Congresses.
Alcoholism--United States--Prevention--Congresses.