Samuel Taylor Coleridge, William Wordsworth (2015). “Lyrical Ballads and other Poems by Samuel Taylor Coleridge and William Wordsworth (Including Their Thoughts On Poetry Principles and Secrets): Collections of Poetry which marked the beginning of the English Romantic movement in literature, including poems The Rime of the Ancient Mariner, The Dungeon, The Nightingale, Dejection: An Ode”, p.590, e-artnow
"Interview with Guy Kawasaki | Entrepreneur, Venture Capitalist, Author (Enchantment)". Interview with Sameer Kamat, www.mbacrystalball.com. June 26, 2011.
John Adams, Charles Francis Adams (1850). “The Works of John Adams, Second President of the United States: Diary, with passages from an autobiography. Notes of debates in the Continental Congress, in 1775 and 1776. Autobiography”, p.79