Bibliography:AKC Bibliography 0304
Severino, Nicola. Sulle orme di Kircher: Johann Zahn. (2010).
|Title||Sulle orme di Kircher: Johann Zahn|
|Bibliographic level||Draft paper|
|Digitization||http://www.academia.edu/7213319/Sulle orme di Athanasius Kircher|
Even though this paper has not been published, it contains verifiable and reliable references to other books and articles, including the original manuscript written by Johann Zahn. So it seems to be a trustworthy article.