I started off this article by plunging forward and adding content. I don't know if all of the content is entirely accurate, so please correct, update, and add to it.
Michael 8:31 March 26, 2006 (UTC)
Where is the quote about Luca Signorelli and Orvieto from? It has quotation marks. If we can figure out where it's from, it's incumbent upon us to cite the source. Ikan Kekek (talk) 05:52, 5 June 2015 (UTC)