1
2
3
Published 2007
4
Published 2007
5
6
7
by Simon, 1903-1961
Published 2001
8
by Bauman
Published 1988
9
by Dahrendorf
Published 1988
10
11
12
Published 1991
13
by Mill, 1806-1873
Published 1991
14
by Gould
Published 1988
15
by Fromm
Published 1991
16
by Kramer
Published 2003
17
18
by Gray, 1948
Published 1989
19
by Gray, 1948-
Published 1993
20