By Dr. Fritz Klinge (auth.), O. Lubarsch, R. von Ostertag, W. Hueck, W. Frei (eds.)

By Prof. Dr. Heinrich Kaiser, Dr. Gerhard Bergmann, Priv.-Doz. Dr. Günter Kresze (auth.)

By Kurt Opitz (auth.), Kurt Opitz (eds.)

By (auth.)

By Dr.-Ing. H. Jordan (auth.)

By Wilhelm Weltzien, Walther G. Hoffmann (auth.)

By (auth.)

By Otto Streck

It is a replica of a booklet released prior to 1923. This booklet can have occasional imperfections comparable to lacking or blurred pages, negative photographs, errant marks, and so forth. that have been both a part of the unique artifact, or have been brought by way of the scanning approach. We think this paintings is culturally very important, and regardless of the imperfections, have elected to carry it again into print as a part of our carrying on with dedication to the renovation of published works all over the world. We delight in your knowing of the imperfections within the renovation method, and desire you take pleasure in this priceless e-book.

By Dr. Hermann Beitƶke (auth.)

By Amélie Sohr