Hyman, David N., author
Richard D. Irwin, 1971
Buku Teks
Bronte, Charlotte, author
Eagle Books, [date of publication not identified]
Buku Teks
Kepple, Robert J.
University Press of America, 1981
Buku Referensi
Crestol, Jack
Dow Joner-Irwin, 1983
Buku Teks
Barnett, Andrew H., author
Richard D. Irwin, 1982
Buku Teks