About: http://webisa.webdatacommons.org/376160893

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	The frank tone of the book extends to Marx???s relationship with his wife, and details such as whether they ever used contraception are discussed.
http://www.w3.org/ns/prov#wasQuotedFrom	history.ac.uk