About: http://webisa.webdatacommons.org/123971263

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	Data they used: Primary sources beginning in the 1870s through today, most notably Standard & Poor???s Security Price Index Record and the Standard & Poor???s Analysts??? Handbook
http://www.w3.org/ns/prov#wasQuotedFrom	fivethirtyeight.com