http://www.courts.state.va.us/agencies/jirc/canons_of_judicial_conduct.pdf
http://www.uscourts.gov/judges-judgeships/code-conduct-united-states-judges#d
https://pdfs.semanticscholar.org/c5ed/cc50b90922f9b22dad873f1518418541db67.pdf
https://academic.oup.com/socpro/article-abstract/38/4/433/1611541