William Shakespeare (2013). “The Wars of the Roses In Plain and Simple English: Includes Henry VI Parts 1 - 3 & Richard III, Richard II, Henry IV Parts 1 and 2, and Henry V”, p.1776, BookCaps Study Guides
William Ellery Channing, William Henry Channing (1860). “Memoir of William Ellery Channing, with extracts from his correspondence and manuscripts ...”, p.324