Columbia subject headings:
Harvard subject headings:
Japan--Politics and government--1912-1926--Periodicals.
Labor unions--Japan--Periodicals.
Working class--Japan--Periodicals
Princeton subject headings:
Facsimiles.
Japan--Politics and government--1912-1926--Periodicals.
Labor unions--Japan--Periodicals.
Periodicals.
Working class--Japan--Periodicals.