Columbia subject headings:
Harvard subject headings:
Okayama-shi (Japan)--History--Bombardment, 1945--Sources.
Okayama-shi (Japan)--History--Sources.
World War, 1939-1945--Aerial operations, American--Sources.
World War, 1939-1945--Japan--Okayama-shi--Sources.
Princeton subject headings:
Okayama-shi (Japan)--History--20th century--Sources.
World War, 1939-1945--Aerial operations, American--Sources.
World War, 1939-1945--Japan--Okayama-shi--Sources.