Hoffmann, Charles G.
Twayne , 1967
Buku Teks
Ford, Ford Madox
Everyman's Library, 1992
Buku Teks
Ford, Ford Madox
Everyman's Library, 1991
Buku Referensi
Sward, Keith
Atheneum, 1948
Buku Teks
Eggan, Fred
Chicago Philippine Studies Program University of Chicago [t.th.]
Buku Teks