Third Volume - Commentary on John of Holywood's Spheres - Figure - Page iv Third Volume - Commentary on John of Holywood's Spheres - Preface - Page 1
Third Volume - Commentary on John of Holywood's Spheres - Table of contents - Page iii



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