Goekov, B.
Kiev Rus
Foreign Languages Publishing House, 1959
 Buku Teks
Laserson, Max M.
American impact on Russia : diplomatic ideological 1784-1917
Macmillan, 1950
 Buku Teks
Vernadsky, George
Mongols and Russia
Yele University Press, 1953
 Buku Teks
Dukes, Paul
The Making of russian absolutism 1613-1801
Longman, 1990
 Buku Teks
Vernadsky, George
The origins of Russia
At The Clarendon Press, 1959
 Buku Teks