Julien, Benda, author
The Beacon Press, 1955
Buku Teks
Majul, Cesar A., author
The University of The Philippines Press, 1973
Buku Teks
Majul, Cesar A., author
University of the Philippines Press, 1999
Buku Teks
Mezrich, Ben, author
Anchor Books, 2009
Buku Teks
editedby R.N. Baldwin
Oceana Publications, 1953
Buku Teks