Stafford, John, author
University of California Press, 1952
Koleksi Publik
Compiled and edited by Dorothy Nyren Curley, Maurice Kramer, Elaine Fialka Kramer
Continuum, 1989
Buku Referensi
compiled by Ruth Z. Temple; edited by Martin Tucker
Frederick Ungar Publishing, 1981
Buku Referensi
Richards, I.A., author
Routledge , 1991
Buku Teks
James, Henry, 1843-1916, author
McGraw-Hill, 1965
Buku Teks