About: http://webisa.webdatacommons.org/282445799

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	social stratification of the working classes is a difficulty that should
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org