Kollmann, Nancy Shields
The Russian Empire 1450-1801
Oxford University Press, 2017
 eBooks
Slonim, Marc
Russian theater, from the Empire to the Soviets
Collier Books, 1962
 Buku Teks
Dworkin, Ronald
Law`s empire
Harvard University Press, 1986
 Buku Teks
Dworkin, Ronald
Law's empire
Fontana Press, 1991
 Buku Teks
Ohara, Daniel T
Empire burlesque
Duke University Press, 2003
 Buku Teks