Samuel Richardson (1820). “Clarissa, Or, The History of a Young Lady: Comprehending the Most Important Concerns of Private Life : and Particularly Shewing the Distresses that May Attend the Misconduct Both of Parents and Children, in Relation to Marriage”, p.255
Grover Cleveland, United States. President (1885-1889 : Cleveland), United States. President (1893-1897 : Cleveland) (1968). “Grover Cleveland, 1837-1908: chronology, documents, bibliographical aids”
Theodore Roosevelt (2015). “Theodore Roosevelt on Bravery: Lessons from the Most Courageous Leader of the Twentieth Century”, p.78, Skyhorse Publishing, Inc.
Henry Mackenzie (1815). “The Works of Henry Mackenzie, Esq. ...: The man of feeling, and miscellaneous pieces.-v.II. The man of the world.-v.III. Julia de Roubigné”, p.192