Engravings of (old) Saint Peter's Basilica in Rome.
<div class="fn value">
<a href="https://en.wikipedia.org/wiki/en:Giovanni_Giustino_Ciampini" class="extiw" title="w:en:Giovanni Giustino Ciampini">Giovanni Ciampini</a></div>
1693<div style="display: none;">date QS:P571,+1693-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="https://archive.org/details/desacrisaedifici00ciam">De sacris aedificiis a Constantino Magno constructis: synopsis historica</a>, pag. 65, Tab. XX