The Philippine Island 1493-1898
Hermanos, 1907
 Buku Teks
The Philippine Island 1493-1898
Hermanos, 1907
 Buku Teks
Arcilla S.J, Jose S.
An introduction to Philippine history
ADMU Press, 1998
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Francisco, Juan R.
Philippine palaeography
Linguistic Society of The Philippines, 1973
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Philippine contemporary literature / edited by Asuncion David-Maramba
Bookmark, 1978
 Buku Teks