Keene, Donald, author
Grove Press, 1955
Buku Teks
Keene, Donald, author
J. Murray, 1953
Buku Klasik
Longman, 1996
Buku Teks
Janeira, Armando Martins, author
Charles E. Tuttle, 1970
Koleksi Publik
Hensderson, Gloria Mason, author
Pearson , 2006
Buku Teks