Ruth Hubbard, Mary Sue Henifin, Barbara Fried (1982). “Biological woman--the convenient myth: a collection of feminist essays and a comprehensive bibliography”, Schenkman Books
John Adams, Charles Francis Adams (1856). “The Works of John Adams, Second President of the United States: With a Life of the Author, Notes and Illustrations”, p.66
Thomas Hobbes (2015). “Annotated LEVIATHAN with English Grammar Exercises: by Thomas Hobbes (Author), Robert Powell (Editor)”, p.12, Powell Publications, LLC