1
by Buchan, Alastair, 1918-1976,
Published 1974
2
by Brooks, Stephen G.
Published 2008
3
4
by Mahan, A. T, 1840-1914.
Published 2003
5
by Buchan, Alastair, 1918-1976
Published 1973
6
by Kupchan, Charles.
Published 2010