Valentis, Mary, author
Serambi Ilmu Semesta, 2003
Buku Teks
James, David Gwilyn, author
Geoffrey Cumberlege, 1948
Buku Teks
Edited by R. Proffer
Translation Press, 1979
Buku Teks
Fischer, Hermann, author
Cambridge University Press, 2010
eBooks
edited by George R. Creeger and Joseph W. Reed, Jr.
Holt, Rinehart and Winston, 1964
Buku Teks