Die geltenden Papstwahlgesetze

Letter to the French Archbishops and Bishops: Our apostolic mandate : of the supreme Pontiff Pius X : on the "Sillon"

Aeneas Silvius Piccolomini (Pius II) and Niklas von Wyle: The Tale of Two Lovers Eurialus and Lucretia. (Amsterdamer Publikationen zur Sprache und Literatur)

Catholic Church Invulnerable and Invincible

Aeneae Silvii De liberorum educatione (Studies in medieval and Renaissance Latin language and literature / Catholic University of America)

Analisi Della Professione Di Fede Del Santo Padre Pio Iv. , Tr. con Alcune Dilucidazioni

Descripcion de Asia (Biblioteca de Colon)

Historia rerum

The tale of the two lovers