1
by Luhmann, Niklas
Published 2000
Stanford University Press

2
by Luhmann, Niklas
Published 1995
Stanford University Press

3
by Marcuse, Herbert
Published 1955
Beacon Press

4
by Marcuse, Herbert
Published 1964
Beacon Press

5
by Nietzsche, Friedrich Wilhelm
Published 1899
T. Fisher Unwin

6
by Pareto, Vilfredo
Published 1935
Harcourt, Brace and Company

7
by Parsons, Talcott
Published 1978
Free Press

8
by Parsons, Talcott
Published 1969
Free Press

9
by Smith, Dorothy E.
Published 1990
Northeastern University Press

10
by Smith, Dorothy E.
Published 1987
Northeastern University Press

11
by Thomas, William Isaac
Published 1958
Dover Publications

12
by Touraine, Alain
Published 2000
Polity Press

13
by Weber, Max
Published 1963
Beacon Press

14
by Weber, Max
Published 1995
Polity Press

15
by Weber, Max
Published 1958
Scribner

16
by Wolff, Janet
Published 1995
Polity Press

17
by Glover, Jonathan
Published 1995
Clarendon Press

18
by Znaniecki, Florian
Published 1919
University of Chicago Press

19
by Znaniecki, Florian
Published 1934
Farrar & Rinehart

20
by Marx, Karl
Published 1975
International Publishers