About: http://webisa.webdatacommons.org/404228337

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	important sources of information in social- and economic-historical research, especially for the pre-statistical period) for Germany, the US, Austria, and a number of other countries.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com