Dr. Martin Falck-Leipzig : C. F. Kahnt Nachfolger, c1913. Printed in Leipzig by C. F. Kahnt (Publisher). A front page has a 1913 copyright notice and a 1919 printing year. The image is credited to P. Guelle taken from the original in the Royal Library, Berlin.. Original uploader was SchroCat at en.wikipedia.
Transferred from en.wikipedia to Commons.
(Original text : HathiTrust record for their copy of the book. Image is on front pages of book with no page number given.
Perma Link to HathiTrust copy of book.) Licence: Public domain
