About: http://webisa.webdatacommons.org/431201354

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	Box 348 Folder 6One Letter May Be Worth $1,000,000 and Every Letter is a Sales Letter, booklets, undated
http://www.w3.org/ns/prov#wasQuotedFrom	uchicago.edu