1
by Friedmann, W.
Published 1960
2
by Wenger, Andreas
Published 2003
3
by Stoessinger, John G.
Published 1993
4
Published 2000
5
by Seton-Watson, Hugh
Published 1964
6
by Seton-Watson, Hugh, 1916-1984
Published 1960
7
by Kennan, George F.
Published 1958
8
by Bowles, Chester, 1901-
Published 1955
9
by Pemberton, Jo-Anne
Published 2001
10
by Chambers, Frank P.
Published 1950
11
by Nicolson, Harold
Published 1961
12
by Chaitanya, Rachna
Published 1995
13
by Clark, Ian, 1949-
Published 1997
14
by Crozier, Brian
Published 1960
15
by Jaspers, Karl, 1883-1969
Published 1961
16
Published 1981
17
by Huntington, Samuel P.
Published 1996
18
by Stillman, Edmund
Published 1964
19
20
Published 2003