About: http://webisa.webdatacommons.org/110398900

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	The proportion, therefore, of men to women is a rough index of the industrial opportunities of the Negro.
http://www.w3.org/ns/prov#wasQuotedFrom	negroartist.com