Sage, C. M. 1. (1943). Paul Albar of Cordoba: Studies on his life and writings : a dissertation submitted to the Faculty of the Graduate School of Arts and Sciences of the Catholic University of America in partial fulfillment of the requirements for the degree of Doctor of Philosophy. Washington, D. C: The Catholic University of America Press.

Sage, Carleton M. 1904-1991. Paul Albar of Cordoba: Studies On His Life and Writings : A Dissertation Submitted to the Faculty of the Graduate School of Arts and Sciences of the Catholic University of America in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy. Washington, D. C: The Catholic University of America Press, 1943.

Sage, Carleton M. 1904-1991. Paul Albar of Cordoba: Studies On His Life and Writings : A Dissertation Submitted to the Faculty of the Graduate School of Arts and Sciences of the Catholic University of America in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy. Washington, D. C: The Catholic University of America Press, 1943.