Alfred North Whitehead (1969). “Process and Reality: An Essay in Cosmology; Gifford Lectures Delivered in the University of Edinburgh During the Session 1927-28”, New York : Macmillan
John Adams, Charles Francis Adams (1851). “The Works of John Adams, Second President of the United States: With a Life of the Author, Notes and Illustrations”, p.315
Herman Melville (2015). “Annotated Moby Dick or, the Whale with English Grammar Exercises: by Herman Melville (Author), Robert Powell (Editor)”, p.5, Powell Publications, LLC