About: http://webisa.webdatacommons.org/73952186

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	in the 1930 decade, particularly toward its end, the problems of providing
http://www.w3.org/ns/prov#wasQuotedFrom	ibiblio.org