Columbia subject headings:
Harvard subject headings:
Business ethics
Christian sociology--Catholic Church.
Germany--Church history.
Jesuits--Germany--Biography.
Nell-Breuning, Oswald von, 1890-1991.
Princeton subject headings:
Catholic Church--Political activity--History.
Christian sociology--Catholic Church--History--20th century.
Christian sociology--Germany.
Germany--Social conditions--1918-1933.
Jesuits--Germany--Biography.
Nell-Breuning, Oswald von, 1890-1991.