edited by Ralph Cohen
Johns Hopkins University Press, 1974
Buku Teks SO
edited by John Higham and Paul K. Conkin
Johns Hopkins University Press, 1979
Buku Teks SO
Mary Kupiec Cayton, Elliott J. Gorn, Peter W. Williams, editors
Charles Scribner's Sons, 1993
Buku Referensi
Baron, Salo Wittmayer
Columbia University Press, 1958
Buku Teks SO
Ablex, 1979
Buku Teks SO