1
2
3
Published 1992
4
5
Published 2001
6
Published 1993
7
by Merrills, J. G, 1942-
Published 1991
8
Published 2007
9
10
Published 2000
11
12
13
14
by Stone, Julius
Published 1954
15
by Crocker, Chester A.
Published 1996
16
17
by Lund, Michael S, 1941-
Published 1996
18
by Burg, Steven L.
Published 2000
19
by Agha, Hussein
Published 2003
20