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.
Keywords from Image Description:
Rau William Herman n. In The Great Hall Vatican Library Rome Italy. The Great Hall of the Vatican Library William Herman Rau Corridoio della Biblioteca Vaticana Roma Stereofotografia Numero di catalogo William Herman Rau In the Great Hall Vatican Library Rome Italy Stereo card Catalogue William Herman Rau was photographer