About: http://webisa.webdatacommons.org/227382218

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	By the 1940s, charitable organizations, companies and other community groups were invited to help respond the growing number of letters.
http://www.w3.org/ns/prov#wasQuotedFrom	buzzfeed.com