About: http://webisa.webdatacommons.org/416194478

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Notables such as Mark Twain, John Muir, Sarah Bernhardt, Sanford White, and Teddy Roosevelt, and many others attended.??? ??? excerpt from the above documentary).
http://www.w3.org/ns/prov#wasQuotedFrom	themindunleashed.org