About: http://webisa.webdatacommons.org/20444197

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	Van Derveer shared criticisms of superiors, including Lincoln, in letters to his wife in Hamilton - columns
http://www.w3.org/ns/prov#wasQuotedFrom	google.com