About: http://webisa.webdatacommons.org/53879991

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	Commercial/advertising photographers would shoot transparencies and hardly ever negatives, which were mostly used by portrait and wedding photographers.
http://www.w3.org/ns/prov#wasQuotedFrom	diyphotography.net