Columbia subject headings:
Mulligan, James A. (James Alfred), 1926-
Vietnam War, 1961-1975--Personal narratives, American.
Vietnam War, 1961-1975--Prisoners and prisons, North Vietnamese.
Harvard subject headings:
Mulligan, James A. (James Alfred), 1926-
Prisoners of war--United States--Biography
Vietnam War, 1961-1975--Personal narratives, American
Vietnam War, 1961-1975--Prisoners and prisons, North Vietnamese
Vietnam War, 1961-1975--Prisoners and prisons, Vietnamese.
Princeton subject headings:
Mulligan, James A.
Vietnam War, 1961-1975--Personal narratives, American.
Vietnam War, 1961-1975--Prisoners and prisons, North Vietnamese.