Mary Schmich (2012). “The Best of Mary Schmich: Selected Writings by the Chicago Tribune's Winner of the 2012 Pulitzer Prize for Commentary”, p.220, Agate Digital
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.40