About: http://webisa.webdatacommons.org/165421874

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	His archive on the Johnson impeachment trial is quite good and contains both primary sources and useful background information such as a timeline and bibliography.
http://www.w3.org/ns/prov#wasQuotedFrom	dickinson.edu