Saniel, Josefa M., author
University of the Philippines, 1963
Buku Teks
Saniel, Josefa M., author
Russell & Russell, 1973
Buku Teks
Agoncillo, Teodoro A.
R. P. Garcia Pub. Co., 1965
Buku Teks
Agoncillo, Teodoro A.
R. P. Garcia Pub. Co., 1965
Buku Teks
Corpuz, Onofre
Prentice-Hall, 1965
Buku Teks