About: http://webisa.webdatacommons.org/429657148

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 501(c) 3 letter is a document provided by the IRS confirming our nonprofit status.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalmssociety.org