1
by Cohen, Martin
Published 2001
2
by Strayer, Robert
Published 1998
3
Published 1993
4
by Bowle, John
Published 1948
5
6
7
by Carty, Anthony.
Published 2007
8
Published 1992
9
10
11
12
13
Published 2003
14
by Moritani, Masanori
Published 1982
15
by Barber, Benjamin R, 1939-
Published 2003
16
by Zakaria, Fareed
Published 2003
17
by Pogge, Thomas.
Published 2010
18
by Toynebee, Arnold J.
Published 1946
19
by Lieshout, Robert H.
Published 1995
20
Published 2001