Pandey, Ray Bali
Indian palaeography part.1/ Ray Bali Pandey
Banaras, 1952
 Buku Teks SO
Forbes, W. Cameron
Philippine Islands
Houghton Mifflin, 1928
 Buku Teks
Reyess, Elizabeth
Houses in the Philippine
Tuttle Publishing, 2012.
 Buku Teks SO
Casparis, J.G. [Johannes Gijsbertus] de
Indonesian Palaeography : a history of writing in Indonesia from the beginnings to C.A.D.1500
E.J. Brill, 1975
 Buku Teks SO
Philippine textbook of medical parasitology
edited by Vicente Y. Belizario, Jr; Juan Antonio A. Solon
Johnson, 2000
 Buku Teks SO