Kramer, Samuel Noah, author
[publisher not identified], [date of publication not identified]
Buku Teks
Lamont, Corliss, author
Philosophical Library, 1952
Buku Teks
Brinton, Crane, 1898-1968, author
Prentice-Hall, 1964
Buku Teks
Brinton, Crane, 1898-1968, author
Prentice-Hall, 1957
Buku Teks
Saul, John Ralston, author
Penguin Books, 1997
Buku Teks