Noah Webster (1835). “Instructive and Entertaining Lessons for Youth: With Rules for Reading with Propriety, Illustrated by Examples: Designed for Use in Schools and Families”, p.232
Neil Postman (2009). “Teaching As a Subversive Activity: A No-Holds-Barred Assault on Outdated Teaching Methods-with Dramatic and Practical Proposals on How Education Can Be Made Relevant to Today's World”, p.39, Delta
Joseph Story (2012). “A Familiar Exposition of the Constitution of the United States: Containing a Brief Commentary on Every Clause, Explaining the True Nature, Reasons, and Objects Thereof : Designed for the Use of School Libraries and General Readers : with an Appendix, Containing Important Public Documents, Illustrative of the Constitution”, p.265, The Lawbook Exchange, Ltd.