Francis Quarles (1844). “Enchiridion Institutions, Essays and Maxims, political, moral & divine. Divided into four centuries. By Francis Quarles”, p.57
"Robertson Treatment Syndicated Column (RTSC): A Conversation With Civil Rights Attorney BBenjamin Crump". Interview with Gil Robertson, www.eurweb.com. March 24, 2015.
Charles Phillips, John Philpot Curran, Henry Grattan, Robert Emmet (1834). “Irish Eloquence: The Speeches of the Celebrated Irish Orators: Phillips, Curran and Grattan, to which is Added the Powerful Appeal of Robert Emmett, at the Close of His Trial for High Treason”, p.369