About: http://webisa.webdatacommons.org/257871882

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	Within a few years they were augmented by others, including W. S. Gilbert, Irene Vanbrugh and George Bernard Shaw.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org