David A. Durfee, William Henry Harrison, John Tyler, United States. President (1841-1845 : Tyler) (1970). “William Henry Harrison, 1773-1841: John Tyler, 1790-1862; chronology, documents, bibliographical aids”, Oceana Pubns
John Keats (2015). “John Keats - The Man Behind The Lyrics: Life, letters, and literary remains: Complete Letters and Two Extensive Biographies of one of the most beloved English Romantic poets”, p.760, e-artnow
Elementary Treatise on Mechanics ch. 4 (1819). This is an instance of unintentional rhyme and meter. After the passage's poetical qualities were pointed out to him,Whewell altered it in subsequent editions of the book.