PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • New Mexico (then including Arizona) passed an act in 1851 recognizing peonage, or white slavery, and another in 1859 recognizing negro slavery; and Utah (then including Nevada) passed an act in 1852 maintaining the right of slaveholding immigrants to the services of their slaves.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org