Orazio Grassi, Libra astronomica ac philosophica, qua Galilaei Galilaei opiniones de cometis a Mario Guiducio in Florentina academia expositae atque in lucem nuper editae examinantur a Lothario Sarsio..., Perusiae, ex Typographia Marci Naccarini, 1619 - Frontispiece.