(en) John Paget, Judicial Puzzles, Gathered From the State Trials, San Francisco, Sumner Whitney & Co., 1876 (lire en ligne) (en) Allan Ramsay, The Investigator :
Sydney, Angus & Robertson, 1979 (ISBN 0-207-13245-3) (en) John Hawkins, SM Bruce : The Businessman as Treasurer, vol. 3, 2009 (en) Anne Henderson, Joseph
(en) John Paget, Judicial Puzzles, Gathered From the State Trials, San Francisco, Sumner Whitney & Co., 1876 (lire en ligne) (en) Allan Ramsay, The Investigator :