Some interesting articles on treason:
http://theroadtoemmaus.org/RdLb/21PbAr/Pl/Cnst/Treasn.htm
http://www.newworldencyclopedia.org/entry/Treason
http://theroadtoemmaus.org/RdLb/21PbAr/Pl/Cnst/Treasn.htm
http://www.newworldencyclopedia.org/entry/Treason