Disney, A.R
A history of Portugal and the Portuguese empire
Cambridge University Press, 2009
 Buku Teks
Hall, Walter Phelps
A history of England and the British empire
Ginn and Company, 1953
 Buku Teks
Hanioglu, M. Sükrü
A Brief History of the Late Ottoman Empire
Princeton univ. press, 2010
 Buku Teks
Olmstead, A.T.
History of the Persian Empire : Achaemenid period
University of Chicago Press, 1948
 Buku Teks
Tait, Viola
A family of brothers: the Taits and J. C. Williamson; a theatre history.
Heinemann, 1970
 Buku Teks