About: http://webisa.webdatacommons.org/321973562

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	entatives of their own choosing, for the purpose of negotiating the terms and conditions of their employment or other mutual aid or protection.
http://www.w3.org/ns/prov#wasQuotedFrom	federalregister.gov