Lord Philip Dormer Stanhope Chesterfield, Philip Dormer Stanhope Earl of Chesterfield (1855). “The Works of Lord Chesterfield: Including His Letters to His Son, Etc : to which is Prefixed, an Original Life of the Author”, p.459
"Sarah Michelle Gellar Interview RINGER; Compares Her Return to TV to BUFFY Experience". Interview with Christina Radish, collider.com. September 12, 2011.
John Muir (1997). “Nature Writings: The Story of My Boyhood and Youth, My First Summer in the Sierra, the Mountains of California, Stickeen, Selected Essays”, p.56, Library of America
Harriet Ann Jacobs (2015). “Incidents in the Life of a Slave Girl: An Autobiographical Account of an Escaped Slave and Abolitionist”, p.18, Skyhorse Publishing, Inc.