Aldo Leopold (2013). “Aldo Leopold: A Sand County Almanac & Other Writings on Conservation and Ecology: (Library of America #238)”, p.559, Library of America
"Author Ernie Cline Was Told Video Games Would Rot His Brain, But Who Holds the High Score Now?". Interview with Michael Mechanic, www.motherjones.com. July 10, 2015.
Alexander Pope, Alexander Dyce (1835). “The Poetical Works of Alexander Pope: Epistle to Dr. Arbuthnot, being the prologue to the satires. Satires, epistles, and odes of Horace imitated. Epitaphs. The Dunciad, in four books”, p.356