About: http://webisa.webdatacommons.org/41453896

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	Engels and Marx wrote collaboratively, so dividing the work as belonging to solely one or the other is a difficult task.
http://www.w3.org/ns/prov#wasQuotedFrom	ua.edu