Columbia subject headings:
Labor leaders--Germany--Biography.
Labor unions--Religious aspects--Christianity--Germany--History--20th century.
Stegerwald, Adam, 1874-1945.
Harvard subject headings:
Labor leaders--Germany--Biography.
Labor unions--Germany--Religious aspects--Christianity--History--20th century.
Labor unions--Religious aspects--Christianity--Germany--History--20th century.
Stegerwald, Adam, 1874-1945.
Princeton subject headings: