About: http://webisa.webdatacommons.org/44815836

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	of documents, such as letters, immigration papers, and class notes, ephemeral items, news clippings, and printed material
http://www.w3.org/ns/prov#wasQuotedFrom	cdlib.org