1
Published 1983
2
Published 1984
3
Published 1977
4
Published 1980
5
Published 1969
6
by Berman, Eric
Published 1996
7
Published 1972
8
9
Published 1995
10
Published 1996
11
Published 1996
12
by Prawitz, Jan
Published 1996
13
by Smith, Christopher
Published 1996
14
Published 1989
15
16
Published 1991
17
Published 1995
18
Published 1994
19
Published 1995
20
by Adibe, Clement
Published 1996