<bdi><a href="https://en.wikipedia.org/wiki/en:Luigi_Gregori" class="extiw" title="w:en:Luigi Gregori"><span title="Italian painter (1819-1896)">Luigi Gregori</span></a>
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<a rel="nofollow" class="external text" href="https://www.nd.edu/about/history/columbus-murals/">University of Notre Dame – History – Columbus Murals</a>