About: http://webisa.webdatacommons.org/447867065

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	On the website, there is a list of the main categories and also sample images.
http://www.w3.org/ns/prov#wasQuotedFrom	ephemerasociety.org