About: http://webisa.webdatacommons.org/50738331

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	The daily subsistence of such a city as London would have been excessively costly in the pre-railway time, perhaps it would have been impossible.
http://www.w3.org/ns/prov#wasQuotedFrom	libertyfund.org