William Cullen Bryant, Henry Wadsworth Longfellow, Grenville Mellen, United States. Literary Gazette (1826). “Miscellaneous poems selected from the United States Literary Gazette”, p.113
Robert Louis Stevenson (2015). “The Complete Poetry of Robert Louis Stevenson: A Child's Garden of Verses, Underwoods, Songs of Travel, Ballads and Other Poems by a prolific Scottish writer, author of Treasure Island, The Strange Case of Dr. Jekyll and Mr. Hyde, Kidnapped”, p.99, e-artnow