Columbia subject headings:
Harvard subject headings:
Kokusai Tsūshinsha--History--20th century--Sources.
News agencies--Japan--Tokyo--History--20th century--Sources.
Shinbun Rengōsha--History--20th century--Sources.
Princeton subject headings:
Kokusai Tsūshinsha--History--20th century--Sources.
News agencies--Japan--Tokyo--History--20th century--Sources.
Shinbun Rengōsha--History--20th century--Sources.