About: http://webisa.webdatacommons.org/367942872

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	There have been some good books written on the trial, most notably The Impeachment and Trial of Andrew Johnson by Michael Les Benedict which argues Johnson's impeachment was justified.
http://www.w3.org/ns/prov#wasQuotedFrom	librarything.com