1
by Fulks, Watson
Published 1978
2
by Hoffmann, Laurence D.
Published 1989
3
by Davis, Linda
Published 2003
4
by Passow, Eli
Published 1996
5
by Beatrous, Frank
Published 2002
6
by Larson, Ronald E.
Published 1983
7
by Izzah Abdullah
Published 1995