The OPOB includes Ettore Modigliani’s diplomatic edition of the Rerum Vulgarium Fragmenta; Gianfranco Contini’s edition and *Giuseppe Savoca’s critical edition; the commentary by Alessandro Vellutello (1525), the Spanish and French translations by Enrique Garcés and Vasquin Philieul (16th century), an English translation (A. S. Kline), and partial translations in Russian, Chinese, Japanese and German.