Books, Brochures, and Chapters>Book:  Ambrose, Stephen E. (1990), Eisenhower: Soldier and President, Retrieved on 2019-03-02

Electronic/World Wide Web>Internet Article:  Wiener, Anna (November 16, 2018), The Complicated Legacy of Stewart Brand’s "Whole Earth Catalog", Retrieved on 2018-11-20

Source Material [www.newyorker.com]

Books, Brochures, and Chapters>Book:  Soni, Jimmy (2017718), A Mind at Play: How Claude Shannon Invented the Information Age, Retrieved on 2018-07-27

Books, Brochures, and Chapters>Book:  Tent, M. B. W. (2008), The Prince of Mathematics, A K Peters Ltd, Retrieved on 2013-06-25

Source Material [books.google.com]

Books, Brochures, and Chapters>Book:  Thompson , Silvanus (2011-02), Michael Faraday His Life and Work, Retrieved on 2012-05-09

Source Material [books.google.com]

Books, Brochures, and Chapters>Book:  Darwin , Francis (2006-08), Charles Darwin: His Life Told in an Autobiographical Chapter, Hesperides Press, Retrieved on 2012-03-24

Source Material [books.google.com]

Books, Brochures, and Chapters>Book:  Compton , Arthur Holly (1956), Atomic Quest: A Personal Narrative , Retrieved on 2012-02-02

Source Material [books.google.com]

Books, Brochures, and Chapters>Book:  Boswell , James (1786), Boswell's Life of Johnson, Retrieved on 2012-01-25

Source Material [books.google.com]

Books, Brochures, and Chapters>Book:  Stock , John Edmonds (1811), Memoirs of the life of Thomas Beddoes, with an analytical account of his writings, Retrieved on 2012-01-04

Source Material [books.google.com]

Books, Brochures, and Chapters>Book:  Paine, Thomas and Rickman , Thomas Clio (1908), The Cause of the Yellow Fever , The life and writings of Thomas Paine, Retrieved on 2011-12-16

Source Material [books.google.com]