About: http://webisa.webdatacommons.org/159653829

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	Their marriage, one of the most famous literary unions of the 19th cent. and one of the most unhappy, is meticulously documented in the more than 9,000 letters still extant that they wrote one another.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com