The Mosaics of Rome, from the Third to the Fourteenth Centuries.

€20.

Sir Walter Fraser Oakeshott was Vice-Chancellor of the University of Oxford. He was also a Fellow of the British Academy and President of the Bibliographical Society.

This is the book to have to understand the mosaics at  all the various locations in Rome. Without it, you are an amateur.

Peer Review: https://www.cambridge.org/core/journals/antiquaries-journal/article/mosaics-of-rome-from-the-third-to-the-fourteenth-centuries-by-walter-oakeshott-12-9-pp-388-277-pls-33-in-colour-9-figs-london-thames-hudson-1967-8-guineas/F9732DD5CF8DEFB795CCEC78B6C1639B