Nahuatl 101

[Matthew Montchalin]

Tom Levine wrote:
| Thelma Sullivan's grammar is also in English.  Compendium of Nahuatl
| Grammar.
|
| However, I like Michel Launey's Introduccion a la Lengua Y a la
| Literatura  Nahuatl.  It is available in both Spanish and French.  He
| does a very good job.  He writes clearly and to the point.

I have Thelma Sullivan's grammar in English.  Are there any grammars
in German?  Using an orthography based on German or Classical Latin?