Columbia subject headings:
Harvard subject headings:
Hara, Zengo, 1912-
Labor unions and communism--Japan--Osaka (Prefecture)--History.
Labor unions--Japan--Osaka (Prefecture)--Officials and employees--Biography.
Princeton subject headings:
Hara, Zengo, 1912-
Labor unions and communism--Japan--Osaka (Prefecture)--History.
Labor unions--Japan--Osaka (Prefecture)--Officials and employees--Biography.