About: http://webisa.webdatacommons.org/163601955

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	On the PBS Video site, where you can watch the entire program, you will find some excellent supporting materials including interactive displays and timelines.
http://www.w3.org/ns/prov#wasQuotedFrom	freetech4teachers.com