Columbia subject headings:
Harvard subject headings:
Historical sociology.
König, René, 1906-1992--Political and social views.
Schools of sociology--Germany--Cologne--History--20th century.
Sociology--Germany--Cologne--History--20th century.
Princeton subject headings:
Historical sociology.
König, René, 1906-1992--Political and social views.
Schools of sociology--Germany--Cologne--History--20th century.
Sociology--Germany--Cologne--History--20th century.