This book is the libretto of an opera based on the life of Catherine Hubscher, a laundress who became the Duchess of Danzig during the French Revolution. It features music by Umberto Giordano and a libretto by Renato Simoni, and was first performed in 1915. The book is an essential resource for opera lovers, music scholars, and anyone interested in the history and culture of 19th century France. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.