1
by Klein, Donald W.
Published 1971
2
by Palmer, Alan, 1926-
Published 2002
3
Published 1998
4
by Howard, Martin
Published 1999
5
by Lee, Kam Hing
Published 1997
6
by Lee, Kam Hing
Published 1997
7
by Bartke, Wolfgang
Published 1991
8
by Findling, John E.
Published 1989
9
Published 1992
10
11
by Kirk-Greene, A. H. M. -
Published 1991
12
by Bartke, Wolfgang
Published 1990
13
Published 1998
14
Published 1990
15
Published 2002
16
Published 1992
17
18
Published 1992
19
Published 1996
20
by Drost, Harry
Published 1995