This series, arranged alphabetically by title, includes full numbers of promotional material issued by Ravenna and its German parent Puhl, Wagner as well as articles on Ravenna and its work. Here, too, are design aids such as costume books and Bible stories. There is also material on specific artists and buildings as well as on understanding painting. The book _Deutsches Mosaik und seine geschichtlichen Quellen_ documents the history of the mosaic art and Puhl, Wagner's contribution to its flowering in Germany from the late nineteenth century to the start of World War II.