Columbia subject headings:
Prisoners of war--Japan.
Sasakawa, Ryōichi, 1899-1995.
Sugamo Keimusho.
War criminals--Japan.
World War, 1939-1945--Prisoners, Japanese.
Harvard subject headings:
Prisoners and Prisons--Japan.
Sasakawa, Ryōichi, 1898-
Sugamo Keimusho.
War criminals--Japan
World War, 1939-1945--Prisoners and prisons, Japanese.
Princeton subject headings: