Columbia subject headings:
Alvarez, Everett, 1937-
Prisoners of war--United States--Biography.
Prisoners of war--Vietnam--Biography.
Vietnam War, 1961-1975--Personal narratives, American.
Vietnam War, 1961-1975--Prisoners and prisons, North Vietnamese.
Harvard subject headings:
Alvarez, Everett, 1937-
Prisoners of war--United States--Biography
Prisoners of war--Vietnam--Biography
Vietnam War, 1961-1975--Personal narratives, American
Vietnam War, 1961-1975--Prisoners and prisons, North Vietnamese
Princeton subject headings:
Alvarez, Everett, 1937-
Prisoners of war--United States--Biography.
Prisoners of war--Vietnam--Biography.
Vietnam War, 1961-1975--Personal narratives, American.
Vietnam War, 1961-1975--Prisoners and prisons, North Vietnamese.