About: http://webisa.webdatacommons.org/276847909

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	While in prison, he wrote a number of books, including Roads to Freedom: Socialism, Anarchism, and Syndicalism.
http://www.w3.org/ns/prov#wasQuotedFrom	mathematics-in-europe.eu