edited by John Higham and Paul K. Conkin
Johns Hopkins University Press, 1979
Buku Teks SO
general editor: Laurie Hergenhan ; editors : Bruce Bennett ... [et al.]
Penguin Books, 1988
Buku Teks SO
edited by Anne Digby, Charles Feinstein and David Jenkins
Macmillan, 1992
Buku Teks SO
Johns Hopkins University Press, 1983
Majalah, Jurnal, Buletin
edited by Ralph Cohen
Sheridan Press, 1989
Buku Referensi