Salisbury, Harrison E.
Russia
Atheneum, 1965
 Buku Teks SO
Lawrence, John
A history of Russia
Farrar Straus & Cudahy, 1959
 Buku Teks SO
Mitchell, Mairin
Maritime history of Russia, 848-1984
Sidgwick and Jackson, 1949
 Buku Teks SO
Hosking, Geoffrey A.
Russia and the Russians; from earliest times to 2001
Penguin Book, 2001
 Buku Teks SO
Vernadsky, George
The origins of Russia
Clarendon, 1959
 Buku Teks SO