Third Volume - Commentary on John of Holywood's Spheres - Preface - Page 2 Third Volume - Commentary on John of Holywood's Spheres - Preface - Page 3
Third Volume - Commentary on John of Holywood's Spheres - Preface - Page 1



Third Volume - Commentary on John of Holywood's Spheres - Preface - Page 2 Third Volume - Commentary on John of Holywood's Spheres - Preface - Page 3 Third Volume - Commentary on John of Holywood's Spheres - Preface - Page 4