* "Harmonies of the World", by Johannes Kepler, tr. Charles Glenn Wallis [1939],
The Harmonies Of The World
By Johannes Kepler
Translated By Charles Glenn Wallis
Annapolis, The St. John's Bookstore
[1939]
Scanned , April 2007. Proofed and formatted by John Bruno Hare. This text is in the public domain in the United States because its copyright was not renewed in a timely fashion as required at the time by law. These files may be used for any non-commercial purpose, provided this notice of attribution is left intact in all copies.