Scan from book 'Character of Renaissance Architecture'
<bdi><a href="https://en.wikipedia.org/wiki/en:Charles_Herbert_Moore" class="extiw" title="w:en:Charles Herbert Moore"><span title="American university professor, painter, and architectural historian">Charles Herbert Moore</span></a>
</bdi>
1905
<a rel="nofollow" class="external free" href="https://archive.org/stream/characterofrenai00mooriala#page/28/mode/1up">https://archive.org/stream/characterofrenai00mooriala#page/28/mode/1up</a> Character of Renaissance Architecture