Our itsource tool is fastly uploading many books into Internet Archive, they are collected into the new collection opallibriantichihttps://archive.org/collection/opallibriantichi. Scans come from Opal Libri Antichihttp://www.opal.unito.it/psixsite/default.aspx, the library of University of Turin. Most of the first uploads (more then 600 by now) come from Opal theater collectionhttp://www.opal.unito.it/psixsite/Teatro%20italiano%20del%20XVI%20e%20XVII%20secolo/default.aspx?xbox=1100&allbooks=truein Italian; some are in French (i.e. Le Nouveau Theatre Italienne, vol. I - VIII).
New uploads will be added fastly; take a look sometimes if you are interested about ancient books and ancient editions. Their metadata are customed to be effectively grabbed by Tpt Internet archive to Commons uploader.
Alex brollo