Third Volume - Commentary on John of Holywood's Spheres - III - Page 190 Third Volume - Commentary on John of Holywood's Spheres - III - Page 191
Third Volume - Commentary on John of Holywood's Spheres - II - Page 189



Third Volume - Commentary on John of Holywood's Spheres - III - Page 190 Third Volume - Commentary on John of Holywood's Spheres - III - Page 191 Third Volume - Commentary on John of Holywood's Spheres - III - Page 192