Scott, Erik R.
Familiar strangers: the Georgian diaspora and the evolution of Soviet empire
Oxford University Press, 2016
 eBooks
Howells, William D.
Mankind in the making : the story of human evolution
Doubleday, 1967
 Buku Teks
Zilberstein, Anya
A temperate empire: making climate change in early America
Oxford University Press, 2016
 eBooks
Logevall, Fredrik, 1963-
Embers of war: the fall of an empire and the making of America's Vietnam
Random House Trade Paperbacks, 2012
 Buku Teks SO
Brandi, Karl
The emperor Charles V : the grown and destiny a man and of a world-empire
Jonathan Cape, 1949
 Buku Teks