Gray, Alexander, author
Longmans, Green , 1948
Buku Teks
Stalin, J.V., author
Foreign Languages Publishing House, 1952
Buku Teks
Lenin
Pregress Publishers, [date of publication not identified]
Buku Teks
Fischer, Louis, author
Harper & Row, 1964
Buku Teks
Morley, John Terence, author
McGill-Queen University Press, 1984
Buku Teks