Galilei, Galileo, 1564-1642.
On sunspots / Galileo Galilei and Christoph Scheiner ; translated and introduced by Eileen Reeves and Albert Van Helden.
"A history of the controversy over sunspots with translations of the letters contained in Galileo's Istoria e dimostrazioni intorno alle macchie solari e loro accidenti. The material that was added during the printing of the Istoria, the dedication, preface, laudatory poems, and the note from the printer to introduce Scheiner's tracts, have been added in an appendix"--
Sunspots -- Early works to 1800.
Reeves, Eileen Adair.
Van Helden, Albert.
Scheiner, Christoph, 1575-1650. Tres epistolae. English.
Scheiner, Christoph, 1575-1650. Accuratior disquisitio. English.
Galilei, Galileo, 1564-1642. Istoria e dimostrazioni intorno alle macchie solari e loro accidenti. English.