| Title | Year |
| National Internal Revenue Code: Commonwealth Act No. 466: in force and effect July 1, 1939 . | 1939 |
| National Internal Revenue Code: Commonwealth Act No. 466 as amended up to June, 1957 . | 1958 |
| Sucesos De Las Islas Filipinas . | 1958 |
| Law of the Press Handbook . | 1965 |