Contents: Introduction; (1) Life and performance of Wilhelm Leipnitz: (2) Idea of Universalism of Leibnitz: (5)His Practices of Universalism: (4) Theory of Librarianship by him: (5) Life of Naudé, the Founder of Universalism: (6) A Skatch of his Theory of Librarianship (7) Nasdé’s Universalism: Conclusion.