De maculis solarib. et stellis circa Iouem errantibus : accuratior disquisitio, ad Marcum Velserum ... perscripta. Interiectis obseruationum delineationibus

Scheiner, Christoph, 1575-1650 · 1612 · Augustae Vindelicorum : Ad insigne Pinus · 7 pictures

Sunspots · Astronomy -- Early works to 1800

Internet Archive · Fisher - University of Toronto · Public domain (published before 1931) · More from this library