Acknowledgements List of Figures and Tables Abbreviations Note on Translations 1 Introduction 2 Colleges, Books and the Ratio Studiorum : a Question of Method 1 Colleges and Teaching 2 Drafting the Ratio Studiorum 3 The Organisation of Studies3 The Libraries of the Society of Jesus 1 Colleges and Libraries: the Society's Constitutions 2 The First Library Regulation: Coimbra (1545) 3 From Jerónimo Nadal's Regulations to the Regulae Praefecti Bibliothecae (1553-1582) 4 Implementation of Jesuit Library Regulations 5 Library Regulations in the Ratio Studiorum: the Selection of Books 6 The Bibliographical Selection Process: Catalogues, Internal Lists, and Repertories 7 Channels of Book Acquisition 8 Forbidden Books and Censorship 9 Classification and Cataloguing 10 Library Services and Spaces4 The Library of the Jesuit College in Perugia (1552-1773) 1 The Society of Jesus in Perugia 2 Relations with the University 3 The College Library: Formation and Development 4 The Inventory of 1565 5 The Development of the Library 6 The Library Structure 7 Towards an Interpretation of the Library: Catalogues and Inventories5 Conclusions Documentary Appendices Appendix 1: Cardinal Ghislieri's Privilege on Banned Books Appendix 2: Nadal's Order on Banned Books for the Spanish Assistance Appendix 3: Rule 8 of Il P. Giulio Negroni della Compagnia di Gesù sulle Regole Comuni della medesima Compagnia. Compendiato e tradotto Appendix 4: Precepts on the Book Lending from the College of Huesca Bibliography Index of Names.