This book, "Stained glass a handbook on the art of stained and painted glass, its origin and development from the time of Charlemagne to its decadence 850-1650 A.D. 56, nos. 1-2", by Alfred Werck, is a replication of a book originally published before 1922. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.