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Book Stock


The Library’s patrimony amounts to approximately 500,000 books, of which about 50,000 are available on open shelves and therefore directly accessible to users. The areas of specialization reflect the disciplines for which the University offers training, and in which it carries out studies and research activities: Theology, Canon Law, Philosophy, History and Cultural Heritage of the Church, Missiology, Social Sciences, Spirituality and Psychology.

All collections are cataloged and may be searched via OPAC; the 5 card catalogues were closed on September 30th, 1992.


 The Main Library Fund

The Main Library Fund is preserved on the 6 floors of the Warehouse Tower, and, the frequently consulted books, encyclopedias, manuals and reference works, in the Reading Rooms.




 Ancient and Rare Fund

The Fund, traditionally called “Riserva”, includes ancient, rare and precious publications that are part of the Library’s heritage. It consists of approximately 25,000 documents: incunabula, books printed in the XVI century – cinquecentine, and works printed up to 1830. They are stored in a large room, equipped with compact shelves and an environmental parameter control system, located in the Traspontina wing of the Central Building. The 50 incunabula of the collection were published in a catalogue in 2008.


 Doctoral Thesis Fund

The Fund preserves over 20,000 doctoral theses, of which about 7,000 are kept in a room specially dedicated to the Gregorian Pontifical University thesis.



The SIDIC Fund is a collection of about 7,000 books on the interreligious dialogue between Christians and Jews, which was donated in 2001 by the International Judiciary and Judicial Library service to the Gregorian Library. This is a current fund, kept in the Traspontina Warehouse.


 Wetter Fund

Instituted by Father Gustav Andreas Wetter as the Bibliotheca scriptorum Russorum, then Marxist Studies Center, the Fund is a large collection of publications concerning Russian and Soviet philosophy and literature, contemporary atheism and Marxism. The fund consists of about 42,000 volumes, and is stored in the Traspontina Warehouse.


 Fagiolo dell’Arco Fund

The Fund, with its 3,000 books, illustrates the cultural and artistic interests of Maurizio Fagiolo dell’Arco, an art scholar, a collector and a bibliophile who dedicated his life, intense years of work and studies, to a rich library concentrating on the Baroque. The Fund stored in the Traspontina Warehouse is closed, and in 2010 a catalogue of its collection was published.


 Vedovato Fund

The Fund, a collection of about 4,600 books, is a private library of the Professor Giuseppe Vedovato and covers mainly topics related to humanities and social sciences, reflecting the cultural interests of its founder. This closed fund is also stored in the Traspontina Warehouse.


 BEV Fund

The Vedovato European Library Fund consists of about 35,000 books related to 20th-Century history, issues related to the European integration processes, international relations, government and diplomatic history. Collected by Senator Giuseppe Vedovato during his political activity at the Council of Europe in Strasbourg, the Fund is closed and stored in the Traspontina Warehouse.


 Hagiography Fund

The collection of documents issued by the Congregation for the Causes of Saints related to beatification and canonization is currently composed of approximately 2,000 books and it is kept in the Walkway of the Distribution Room.

In order to classify the patrimony morphologically, for conservation and to facilitate data retrieval and consultation, the Library has created two classification systems: one for monographic works and one for periodicals, allowing a compilation of  documents in conceptual and physical manner according to areas of specialization of disciplines.



 Classification Systems


Inorder to classify the patrimony by subject, manage its conservation, and facilitate data retrieval and consultation, the Library has created two classification systems, one for monographic works and one for periodicals; it allows the grouping together of the resources conceptually and physically according to discipline and areas of specialization. Classification codes can also be used as a search key in the catalogue.

The first one consists of 910 classes of arguments, marked by an Arabic number, and by number of sub-classes, identified by one or more letters in alphabet.

For example a class 15 – Sacred Scripture on the Studies of the New Testament consists of the following sub-classes:

Monographs Classification Chart


The system of classification of periodicals, on the other hand, it is composed of 27 classes marked with a letter of the alphabet:  

Periodicals Classification Chart