Philippine National Historical Society. (1954). Constitution by -laws, and articles of incorporation. [s.n.].
Chicago-viite (17. p.)Philippine National Historical Society. Constitution by -laws, and Articles of Incorporation. Manila: [s.n.], 1954.
MLA-viite (9. p.)Philippine National Historical Society. Constitution by -laws, and Articles of Incorporation. [s.n.], 1954.
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