1
by Griffiths, Stephen Iwan
Published 1993
2
by Mackerras, Colin, 1939-
Published 1995
3
Published 1996
4
by Olson, Robert W.
Published 1989
5
by Rost, Yuri
Published 1990
6
by O'Ballance, Edgar
Published 1996
7
Published 1991
8
by Nelson, Jack
Published 1993
9
by Botoran, Constantin
Published 1993