Nicolai Perotti Pontificis Sipontini Prooemium in Aristotelem de moribus.

Caption titles.
Imprint from colophon; printer's name from the concluding letter by the editor, Laurentius Abstemius (Lorenzo Astemio).
Signatures: a-f⁴.
The Aristotelian works De virtutibus et vitiis and Oeconomica bks. 1 and 3 were translated by Leonardus Arretinus (Leonardo Bruni); both works, as well as the Epistola ad Alexandrum, are now regarded as spurious.