<i>Gramatica</i> from a series of copperplate engravings titled <i>Die sieben Freie Künste in Wolken gerahmt</i> (The seven liberal arts framed in clouds)
<bdi><a href="https://en.wikipedia.org/wiki/en:Virgil_Solis" class="extiw" title="w:en:Virgil Solis"><span title="German printmaker (1514-1562)">Virgil Solis</span></a>
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Herzog Anton Ulrich-Museum, Signatur: VSolis AB 3.94 <a rel="nofollow" class="external text" href="http://kk.haum-bs.de/?id=v-solis-ab3-0094">Virtuelles Kupferstichkabinett</a>