Henry Wadsworth Longfellow, Edwin Edwards (1871). “The Poetical Works of H. W. Longfellow. Edited, with a Critical Memoir, by W. M. Rossetti. Illustrated ... by E. Edwards”, p.317
Henry Wadsworth Longfellow (1888). “Longfellow's Days: The Longfellow Prose Birthday Book : Extracts from the Journals and Letters of H. W. Longfellow”