Hermanos, 1907
Buku Teks
edited by Alfred W. McCoy and Ed. C. de Jesus
Ateneo De Manila, 1982
Buku Teks
Hermanos, 1907
Buku Teks
Holnsteiner, Mary R., author
Community Development Research Council, 1963
Buku Teks
Llamzon, Teodore A., author
Martinus Nijhoff, 1969
Buku Teks