Campbell, William Giles
Houghton Mifflin, 1967
Buku Teks
general editor, Philip Rubens
Henry Holt and Company, 1992
Buku Referensi
Buku Teks
by Geraldine Henze
Richard D. Irwin, 1984
Buku Teks
Sheridan, Harriet W.
Harcourt, Brace & World, Inc., 1966
Koleksi Publik