Philippine National Historical Society. (1954). Constitution by -laws, and articles of incorporation. [s.n.].
Dyfyniad Arddull ChicagoPhilippine National Historical Society. Constitution by -laws, and Articles of Incorporation. Manila: [s.n.], 1954.
Dyfyniad MLAPhilippine National Historical Society. Constitution by -laws, and Articles of Incorporation. [s.n.], 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.