Von Mises, Ludwig, 1881-1973
Yale University Press, 1963
Buku Klasik
Hart, Samuel L.
Philosophical Library, 1949
Buku Teks SO
Walsh, William F. (William Francis), 1875-1946
Callaghan, 1934
Buku Teks
Johnson, Alexender Sryan
Dover Publications, 1968
Buku Teks SO
edited by Walter S. Root and Frederick G. Hofmann
Academic Press, 1987
Buku Teks SO