Did you see the guitar tablature Toshiaki linked us to?
> > BSB Mus.ms.1522: Alfabeto/mixed guitar tablature (Bavarian provenance): "Tabulaturbuch fuer Guitarre" [ex-libris:] H. M. Adelaide di Sauoia, Ellettria di Bauaria
http://daten.digitale-sammlungen.de/0005/bsb00050861/images/ There's a tuning and "alfabeto" on folio 9. The book has blank pages after foilio 28. To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html