Jay Abraham (2000). “Getting Everything You Can Out of All You've Got: 21 Ways You Can Out-Think, Out-Perform, and Out-Earn the Competition”, p.14, Farrar, Straus, and Giroux
Alexander Hamilton (1810). “The Works of Alexander Hamilton: Comprising His Most Important Official Reports: An Improved Edition of the Federalist, on the New Constitution, Written in 1788; and Pacificus, on the Proclamation of Neutrality, Written in 1793 ...”, p.198, New York : Williams and Whitings
Samuel Rutherford (1824). “Joshua redivivus: or, three hundred and fifty two religious letters ... To which is added, the Author's testimony to the covenanted work of reformation, between 1638 and 1649 ... As also, a large preface and postscript ... by the Rev. Mr. McWard. The tenth edition”, p.363