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
Published 2003
12
by Moritani, Masanori
Published 1982
13
by Barber, Benjamin R, 1939-
Published 2003
14
by Zakaria, Fareed
Published 2003
15
by Pogge, Thomas.
Published 2010
16
by Toynebee, Arnold J.
Published 1946
17
by Lieshout, Robert H.
Published 1995
18
Published 2001
19
Published 2002
20
by Osborne, Peter.
Published 1995