Columbia subject headings:
Harvard subject headings:
Aeronautics--Japan--History.
Generals--Japan--Biography
Japan. Rikugun--Biography.
Nagaoka, Gaishi, 1858-1933.
Skis and skiing--Japan--History.
Princeton subject headings:
Aeronautics--Japan--History.
Generals--Japan--Biography.
Japan. Rikugun--Biography.
Nagaoka, Gaishi, 1858-1933.
Skis and skiing--Japan--History.