Crane, R.S.
University of Chicago Press, 1971
Buku Teks SO
edited by Ralph Cohen
Johns Hopkins University Press, 1974
Buku Teks SO
edited by Ralph Cohen
Sheridan Press, 1989
Buku Referensi
Bordas, 1990
Buku Teks SO
Krieger, Murray, editor
The Johns Hopkins University Press, 1976
Buku Teks SO