1
by Becker, Carl Lotus, 1873-1945
Published 1953
2
by Ismail Noor
Published 2000
3
by Ross, John
Published 2001
4
by Toynebee, Arnold J.
Published 1946
5
by Barr, Michael D.
Published 2002
6
Published 1955
7
by Newton, Gerald
Published 1978
8
by Sih, Paul Kwang Tsien, 1909-
Published 1959
9
Published 2003
10
11
Published 1992
12
by Toynbee, Arnold J.
Published 1957
13
by Beard, Charles A.
Published 1944
14
Published 2003
15
Published 1997
16
17
Published 1958
18
by Baxter, Craig
Published 1997
19
by Lewis, Bernard
Published 1998
20
by Brogan, D. W.
Published 1960