Columbia subject headings:
Harvard subject headings:
Nationalism and education--Japan--Ōtsuki-shi.
Vocational education--Japan--Ōtsuki-shi--History.
Working class--Education--Japan--Ōtsuki-shi--History.
World War, 1939-1945--Education and the war.
Ōtsuki Seinen Gakkō.
Princeton subject headings:
Nationalism and education--Japan--Ōtsuki-shi.
Ōtsuki Seinen Gakkō.
Vocational education--Japan--Ōtsuki-shi--History.
Working class--Education--Japan--Ōtsuki-shi--History.
World War, 1939-1945--Education and the war.