John Milton (1824). “The Poetical Works of John Milton: With Notes of Various Authors, Principally from the Editions of Thomas Newton, Charles Dunster and Thomas Warton ; to which is Prefixed Newton's Life of Milton”, p.40
Kurt Vonnegut (2016). “If This Isn't Nice What Is? (Much) Expanded Second Edition: The Graduation Speeches and Other Words to Live By”, p.131, RosettaBooks
H.P. Lovecraft, Digital Papyrus (2014). “H.P. Lovecraft: The Ultimate Collection (160 Works Including Early Writings, Fiction, Collaborations, Poetry, Essays & Bonus Audiobook Links)”, eBookIt.com