Collier, Leonard Dawson
St. Paul's House Warwick Lane, 1973
Buku Teks SO
Maslov, Yevgeny
Moscow Foreign Languages Publishing House 1960
Buku Teks
Potapova, Nina F.
Progress Publishers, [196-]
Buku Teks SO
Moorehead, Alan, 1910-1983
Harper and Brother, 1958
Buku Teks SO
by Martin Malia ... [and others]; editor, Richard Pipes
Columbia University , 1961
Buku Teks SO