Columbia subject headings:
Biographies.
Socialists--Japan--Biography.
Yamakawa, Hitoshi, 1880-1958.
Harvard subject headings:
Biographies
Communists--Japan--Biography
Socialists--Japan--Biography
Yamakawa, Hitoshi, 1880-1958
Princeton subject headings:
Communists--Japan--Biography.
Yamakawa, Hitoshi, 1880-1958.