Theodore Roosevelt (2015). “Theodore Roosevelt on Bravery: Lessons from the Most Courageous Leader of the Twentieth Century”, p.7, Skyhorse Publishing, Inc.
Jonathan Swift (1768). “The works of Dr. Jonathan Swift ...: With the author's life and character; notes, historical, critical, and explanatory; tables of contents, and indexes. More complete than any preceding edition ... Accurately corrected by the best editions”, p.153