Columbia subject headings:
Harvard subject headings:
Durkheim, Émile, 1858-1917
Simmel, Georg, 1858-1918
Sociology.
Tönnies, Ferdinand, 1855-1936
Weber, Max, 1864-1920.
Princeton subject headings:
Durkheim, Émile, 1858-1917.
Simmel, Georg, 1858-1918.
Sociology.
Tönnies, Ferdinand, 1855-1936.
Weber, Max, 1864-1920.