Front matter
G. A. (Gustav Adolf) Zimmermann translation
Transcriber's note: A few typographical errors have been corrected. They appear in the text like this, and the explanation will appear when the mouse pointer is moved over the marked passage.
G. A. (Gustav Adolf) Zimmermann translation
Transcriber's note: A few typographical errors have been corrected. They appear in the text like this, and the explanation will appear when the mouse pointer is moved over the marked passage.