About: http://webisa.webdatacommons.org/129730126

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	His job allowed him time to explore the archives and libraries of Lisbon and other cities, where he collected and studied enough material to form the basis of a doctoral dissertation on the history of the Crusades in medieval Portugal.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org