The Library of PISAI is the privileged instrument of teaching and for research. Over the years it has been enriched by many works and periodicals concerning the Arabic and Islamic culture. This corresponds with the Institute’s approach to the sources in the original language, without neglecting some important orientalist works and texts specialized in interreligious dialogue. At present the Library owns more than 37000 volumes, one third of which are in Arabic, 450 periodicals, 250 rare or no longer published editions, 60 manuscripts, in various languages. A very important section is dedicated to the Koranic studies with many editions of the Koran, the most important classic and modern Koranic commentaries, the classic collections of Hadith. Because of its specialization the Library of PISAI is visited by students, professors and researchers coming from many other centres and universities.

The heritage of the big Library is divided in sections by subject, and covers the most important fields of the Islamic Sciences:

Koran, Koranic commentary, Hadith

Islamic law

Theology 

Philosophy

Mysticism

History

Geography

Linguistics

Literature

Sciences

Art

Architecture

Ethnology, anthropology

Modern Islam

Bio-bibliography

Sacred scriptures

Christian Theology

Interreligious dialogue

The dissertations of the degree students have also made it possible to collect more than 260 monographic research studies, offering translations of more than 100 Arabic authors.