About: http://webisa.webdatacommons.org/155462943

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	This letter is a postscript to a letter written by N. K. -5 Krupskaya.???Ed. [2]
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org