This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Pontificia Universit Gregoriana. Biblioteca. Pontificia Universit Gregoriana Sala di lettura della Biblioteca Archivio PUG Riproduzione fotografica di Luigi Santoro Autorizzazione ing Fattorini Information Systems PUG PDold Pontifical Gregorian University Libraries in Rome
Page 2023 Free-images.com. All images are Public Domain