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 SO
Dworkin, Ronald
Law`s empire
Harvard University Press, 1986
 Buku Teks
Dworkin, Ronald
Law's empire
Fontana Press, 1991
 Buku Teks SO
Griffiths, Percival, Sir, 1899-
Empire into Commonwealth
Ernest Benn, 1969
 Buku Teks