| Title | Year |
|---|
| | Estudios sobre Antropologia Criminal en las Islas Filipinas . | 1919 |
| | The University of the Philippines. the College of Liberal Arts Catalogue 1932-1933 . | 1932 |
| | The University of the Philippines. the College of Liberal Arts Catalogue 1935-1936 . | 1935 |
| | The University of the Philippines. General Announcement 1938-1939 . | 1938 |
| | Once Upon These Isles . | 1947 |
| | Index to Ilustracion Filipina An Author and Subject Index March 1859-December 1860 . | 1962 |
| | The Burden of Proof : The Vargas – Laurel Collaboration Case Villareal to face PI-Malaya crisis . | 1984 |
| | The Philippines Under Spain: Reproduction of the original Spanish documents with English translation . | 1991 |