Illustration of a Byzantine <a href="https://en.wikipedia.org/wiki/Capital_(architecture)" class="extiw" title="en:Capital (architecture)">capitals</a>, from Ravenna, 8th century.
1889
William Henry Goodyear, <i>A History of Art: For Classes, Art-Students, and Tourists in Europe</i>, A. S. Barnes &amp; Company, New York, 1889.  Page 113. Scanned by <a href="//commons.wikimedia.org/wiki/User:Davepape" title="User:Davepape">Dave Pape</a>.