Entre sus obras destacan "Boscán and "Il cortegiano": the "Historia de Leandro y Hero"" (Bogotá: Instituto Caro y Cuervo, 1948); "Courtly love in Quevedo" (Ann Arbor, Michigan: UMI, 1991); "Courtly love in the Spanish cancioneros" (New York, 1949); "The life and works of Lupercio Leonardo de Argensola: A tesis in Romanic languages presented to the Faculty of the Graduate School of the Universityof Pennsylvania in partial fulfillment of the requiremento for the degree of Doctor of Philosophy" (Philadelphia: Westbrook Publishing Company, 1927); "Vida y obras de Lupercio Leonardo de Argensola" (Zaragoza, 1945).