1
Published: 1997
Book
2
Published: 1999
Book
3
Published: 1973
Book
4
Published: 1937
Book
5
6
Published: 2001
Book
7
Published: 1981
Book
8
Published: 1987
Book
9
Published: 1994
Book
10
11
Published: 1995
Book
12
Published: 1981
Book
13
14
15
Book
16
by Bencsik Béla
Published: 1939
Book
17
18
by Schoeck, Helmut
Published: 2007
Book
19
by Wittgenstein, Ludwig
Published: 1995
Book
20