About: http://webisa.webdatacommons.org/329274768

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	Quite a few really great ones, but they are still rare gems, including the ones you named.
http://www.w3.org/ns/prov#wasQuotedFrom	tigerdroppings.com