Ateneo de Manila University & Ortiz, P. A. (1969). The inauguration of Pacifico A. Ortiz, S. J., as president of the university, Thursday, the twenty-fifth of September, nineteen hundred and sixty-nine at four o'clock in the afternoon, in the high school auditorium, Loyola Heights. s.n.].

Ateneo de Manila University and Pacifico A. Ortiz. The Inauguration of Pacifico A. Ortiz, S. J., as President of the University, Thursday, the Twenty-fifth of September, Nineteen Hundred and Sixty-nine at Four O'clock in the Afternoon, in the High School Auditorium, Loyola Heights. [Quezon City: s.n.], 1969.

Ateneo de Manila University and Pacifico A. Ortiz. The Inauguration of Pacifico A. Ortiz, S. J., as President of the University, Thursday, the Twenty-fifth of September, Nineteen Hundred and Sixty-nine at Four O'clock in the Afternoon, in the High School Auditorium, Loyola Heights. s.n.], 1969.