About: http://webisa.webdatacommons.org/3600395

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	Is the only difference between slides and negatives that slides are used for projection and negatives mainly for prints?
http://www.w3.org/ns/prov#wasQuotedFrom	apug.org