About: http://webisa.webdatacommons.org/256503136

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	Bland, a northern Negro whose Oh, Dem Golden Slippers" and Carry Me Back to Old Virginny are probably the best known of his 700 songs, mostly wrote conventional minstrel songs, plantation songs, and sentimental ballads.
http://www.w3.org/ns/prov#wasQuotedFrom	columbia.edu