21
by Toynebee, Arnold J.
Published 1946
22
Published 2000
23
by Wenger, Andreas
Published 2003
24
by Smith, George Ivan, 1915-
Published 1980
25
by Thatcher, Margaret, 1925-
Published 1993
26
Published 1960
27
Published 2003
28
by Nisriwani Yahaya
Published 2003
29
by Sandbrook, Richard
Published 1993
30
by Baker, Raymond William, 1942-
Published 1978
31
by Wan Abdul Rahman Latif
Published 2001
32
by Osborne, Milton, 1936-
Published 1994
33
by Said Zahari, 1928-
Published 2001
34
by Foster, William, Sir, 1863-
Published 1939
35
by Stoessinger, John G.
Published 1993
36
Published 1979
37
by Smith, Ronald A
Published 1991
38
by Kong, Yuanzhi
Published 2000
39
by Gazi, Mustafa Kemal
Published 1961
40