1
Published 1990
2
3
Published 1989
4
by Boahen
Published 1987
5
by Hamill
Published 1981
6
7
Published 1991
8
by Perry, 1937-
Published 1990
9
Published 1984
10
11
by Kent
Published 1992
12
Published 1993
13
14
by Pritchard
Published 2004
15
by Oliver-Dee, 1970-
Published 2012