Columbia subject headings:
Vietnam War, 1961-1975--Aerial operations, American.
Vietnam War, 1961-1975--Laos--Jars, Plain of.
Harvard subject headings:
Jars, Plain of (Laos)
Vietnam War, 1961-1975--Aerial operations, American
Vietnam War, 1961-1975--Campaigns--Laos--Jars, Plain of.
Vietnam War, 1961-1975--Laos--Jars, Plain of.
Vietnam War, 1961-1975--Personal narratives, Laotian.
Princeton subject headings: