Author: Silvio Campani Printed in Modena 1863 at the Tipografia Vincenzo Moneti A booklet in 1/16 Folio, a small treatise of a few pages, 69 apart from the index, on plain paper, in which the origins of the duel and the reasons and grounds for its practice are given. Ultimately, it is a small volume that describes the practice through the reasons against it of morality, religion, honour and reason, as well as hints of criminal law.