Thomson, Charles A.
Indiana University Press, 1963
Buku Teks
Holt, Robert T., author
University of Chicago Press, 1960
Buku Teks
tranlated from the Russion by H. Chizhevsky
Progress Publishers, 1977
Buku Teks
Talbot, Phillips, author
Harper and Brothers, 1958
Buku Teks
edited by Edward Friedman & Mark Selden
Vintage Books, 1971
Buku Teks