1
Published 1999
2
Published 1975
3
by Prins, Gwyn
Published 2002
4
5
Published 2003
6
Published 1994
7
Published 1999
8
Published 1993
9
Published 2002
10
by Evans, Gareth, 1944-
Published 1993
11
by Huntley, James Robert
Published 1998
12
Published 1984
13
by Meiers, Franz-Josef
Published 1996
14
15
by Ratner, Steven R.
Published 1995
16
Published 1984
17
Published 1984
18
by Goodrich, Leland M.
Published 1955
19
Published 1984
20
Published 1974