References
- Aristotle . 1924 . Rhetorica , Edited by: Roberts , Rhys . 1413 f Oxford : Clarenden Press . Book III, Chapter 12
- Macaulay . Advice to Writers and Speakers , New Series Edited by: Crellin , H. N. Vol. IV , 484 Gent. Magazine
- Hamilton , Clayton . 1924 . Conversations on Contemporary Drama , vii Macmillan . Preface
- Thorndike , Edward L. 1922 . An Introduction to the Theory of Mental and Social Measurements , Second Edition 204 Revised and Enlarged