The University Library is the information and literature supply system of Johannes Gutenberg University Mainz. It consists of the Central Library, which primarily performs overarching functions, and several specialized departments, interdisciplinary departmental libraries, and departmental (sub)libraries as decentralized reference libraries.

Holdings:
Over 1,100 linear meters of archival materials, over 3.4 million print media, over 1.2 million e-books and electronic journals, over 800 manuscripts, 6 incunabula, textbook collection. The library collection focuses on French studies and the USA library, among other areas

.