Cairo Geniza - Obadiah the Proselyte, Document I - colophon of a prayer-book (HUC fragment 8) text
<bdi><a href="https://en.wikipedia.org/wiki/en:Obadiah_the_Proselyte" class="extiw" title="w:en:Obadiah the Proselyte"><span title="Italian musician">Obadiah the Proselyte</span></a>
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<a rel="nofollow" class="external free" href="https://books.google.ru/books?id=ke3aXnldRMEC">https://books.google.ru/books?id=ke3aXnldRMEC</a> (p. 129, fig. 2)