Una lettera perduta di Giovanni Della Casa a Piero Vettori e la corrispondenza burlesca con Antonio Bernardi della Mirandola

The essay informs of the discovery of a lost letter by Giovanni Della Casa to Piero Vettori in the Livorno Library F. D. Guerrazzi : the missive was published in the Eighteenth-century edition of Della Casa\u2019s Opere and the author provides a new transcription in the Appendix. The essay compares the missive with two other contemporary letters, focusing on the controversy that arose in those months around the diffusion of the Commentarius by Antonio Bernardi della Mirandola, a philosopher protected by Cardinal Alessandro Farnese. The author eventually claims that also the comic tenzone between Della Casa and Antonio Bernardi should be connected to this controversy, which involved many Florentine friends close to Della Casa (in particular Ubaldino Bandinelli). Through the literary skirmish, Della Casa wanted to mitigate the controversy with Bernardi, with whom he maintained, in the following years, a relationship of friendship and convenience