for those interested I have found a document on the internet describing the instruments in the Germanisches Nationalmuseum: http://forschung.gnm.de/ressourcen/musikinstrumente/PDF/Lauteninstr_Dok.pdf ( in german)
All the best Thomas To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html
