Note 167 — Chapter VIII · THE CONTROVERSY ON COMETS.
G. (George) Sturge translation
Compare the letters of Stelluti (27th January, 1620) to Prince Cesi, 4th March and 18th May, 1620; and from Mgr. Ciampoli, 18th May, 1620, to Galileo. (Op. viii. pp. 436-439, and 441-443.)