About: http://webisa.webdatacommons.org/262602249

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	A hundred years ago all kinds of diseases were put down to bad air, and all sorts of futile precautions were taken against it.
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org