The Encyclopaedia of Islam (EI) sets out the present state of our knowledge of the Islamic World. It is a unique and invaluable reference tool, an essential key to understanding the world of Islam, and the authoritative source not only for the religion, but also for the believers and the countries in which they live. 

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The Sistema Bibliotecario di Ateneo has purchased perpetual access to approximately 570 Oxford Scholarship Online ebooks published by Oxford University Press.

The ebook are searchable from OneSearchUnipi and accessible online. Individual chapters can be downloaded in PDF format. Most recent titles are also available in EPUB format.

The Directory of Open Access Journals was launched in 2003 at Lund University, Sweden, with 300 open access journals and today contains ca. 9000 open access journals covering all areas of science, technology, medicine, social science and humanities.

It is the first institutional archive of the University of Pisa, replaced in 2015 by Iris-ARPI. It collects the results of the research activities and the publications of the teaching and amministration staff of the university, since the '90s.

Vetus Latina is the pre-Vulgate Bible versions of the Latin Church Fathers. Because there are a limited number of extant manuscripts that haphazardly cover the biblical text, the basic sources are biblical citations or allusions that are found within the writings of the Latin Fathers or Greek patristic authors who were translated at an early date into Latin.

This database contains every known citation, listed by book, chapter and verse of the Bible.