William Morris (1871). “The Earthly Paradise: December: The golden apples; The fostering of Aslaug. January: Bellerophon at Argos; The ring given to Venus. February: Bellerophon in Lycia; The hill of Venus. Epilogue. L'envoi”, p.368
Thomas Campbell (1854). “The Pleasures of Hope, Gertrude of Wyoming, and othe Poems: To which are added Collin's and Gray's poetical works Seventh Thousand”, p.92
John Gay (1826). “Gay's Fables and Other Poems: Cotton's Visions in Verse ; Moore's Fables for the Female Sex ; with Sketches of the Authors' Lives”, p.197
William Morris, May Morris (2012). “The Collected Works of William Morris: With Introductions by His Daughter May Morris”, p.82, Cambridge University Press