About: http://webisa.webdatacommons.org/14112911

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 differences of mechanism on which the singingmasters profess to base their division are mostly of so subtle a nature as to be almost invisible to the eye, and sometimes even hardly appreciable by the ordinary intellect.
http://www.w3.org/ns/prov#wasQuotedFrom	wikisource.org