Mark Twain, William Dean Howells (1960). “Mark Twain-Howells Letters: The Correspondence of Samuel L. Clemens and William D. Howells, 1872-1910”, Belknap Press
Samuel Rogers, Thomas Campbell, James Montgomery, Charles Lamb, Henry Kirke White (1830). “The poetical works of Rogers, Campbell, J. Montgomery, Lamb, and Kirke White: complete in one volume”, p.169