Harrison, John Armstrong, author
University of Florida Press, 1960
Buku Teks
Reischauer, Edwin O., author
[publisher not identified], 1951
Buku Teks
Jeffrey P. Mass
Philippine, Yale University1974
Buku Teks
Daniels, F.J.
Lund Humphries & Company Ltd, 1944
Koleksi Publik
Miner, Earl, author
Pricenton University Press, 1979
Buku Teks