Wallerstein, Immanuel, author
Academic Press, 1974
Buku Teks
Schapiro, J. Salwyn
Houghton Miffiln, 1953
Buku Teks
Friedell, Egon
Alfred A. Knopf , 1954
Buku Teks
Friedell, Egon
Alfred A. Knopf , 1954
Buku Teks
Lenin, Vladimir I., author
Foreign Languages Publishing House, 1963
Buku Teks