Katheleen Norris
Houghton Mifflin, 2001
Buku Teks
edited by Alan Lightman
Houghtn Mifflin, 2000
Buku Teks
edited by Elizabeth Hardwick
Ticknor and Fields, 1986
Buku Teks
Cummings, Paul, author
St. Martin's Press, 1966
Buku Referensi
Evans, Bergen, 1904-, author
Random House, 1957
Buku Referensi