About: http://webisa.webdatacommons.org/23721360

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	with letters and other documents inserted periodically in English. (This material may be a preliminary manuscript of the Russian
http://www.w3.org/ns/prov#wasQuotedFrom	northwestern.edu