About: http://webisa.webdatacommons.org/280154901

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	Memorializes Roland Marchand with more than 6,100 images, including more than 2,000 advertisements, and 48 lesson plans drawn from his collection. [...] ??
http://www.w3.org/ns/prov#wasQuotedFrom	teachinghistory.org