Issues 2-8
Study group for private mail in the postmark guild 'Rhine - Danube'
Association of Upper Franconian stamp collecting societies eV Nuremberg
with illustrations and many details
Post and Telegraphy in Science and Practice Volume 46
Hermann, Urs: Sitzende Helvetia Ungezähnt - Handbuch plus Anhang AUT-Helbock Issues 2-8Hermann, Urs: The big handbook of the federal issue Sitting Helvetia Unperforated Les Rappen Sitting Helvetia Imperforate 1854 1863, Volume VI Series of Swiss Postal History, 2 volumes, hardcover, 624 pages 167 pages, the big handbook of the 'Strubel' issues, Volume I stamps, history, production and use, with many colored illustrations, Volume II proofs, tariff tables and footnotes to Volume I with numerous explanations and sources, here is a very