INDICE/INDEX Introduzione The Writings of Albert Derolez Preface Bibliography 1. Introduction: The Quantitative Study of Manuscripts 2. Dated Manuscripts 3. Humanistic Manuscripts 4. Previous Work as Basis for the Present Study 5. Criticism 6. Should the Quantitative Study of Humanistic Manuscripts include the Decoration? 7. Amplifying the Corpus by including the Data recorded in Manoscritti datati d’Italia 8. The Present Book 9. Quire Structures 10. Ruling: General 11. Ruling Types 12. Ruling Techniques 13. Ruling Types and Ruling Techniques 14. Two-Column Rulings 15. Rulings for Layout with Long Lines 16. The Problem of Identical Rulings 17. Manuscripts produced in Lombardy 18. Manuscripts produced in Northeast Italy 19. Manuscripts produced in Emilia 20. Manuscripts produced in Tuscany 21. Manuscripts produced in Latium 22. Manuscripts produced in Naples 23. Epilogue Figures Catalogue of the Professional Scribes and their Manuscripts studied in the Present Book Index of Schribes, Commisioners and Editors