Łabędź z Dunstable należy do unikatowych dzieł złotniczych, przede wszystkim ze względu na dosłowne zobrazowanie figury heraldycznej.
Bibliografia Marian Campbell, An Introduction to Medieval Enamels, London 1983, HMSO for V&A Museum John Cherry, Jonathan Alexander, Paul Binski (eds), Age of Chivalry, Art in Plantagenet England, 1200-1400, Royal Academy/Weidenfeld & Nicholson, London 1987 John Cherry, Richard Marks, Paul Williamson (eds.) Gothic: Art for England 1400-1547, V&A Publications, London 2003 John Cherry, The Holy Thorn Reliquary, The British Museum Press, London 2010 C. L. Matthews "Excavations on the site of the Dominican Friary, Dunstable 1965", Mansshead Magazine, 16, 1966 Éva Kovács, Jean-Claude Garreta et Danielle Gaborit-Chopin, L'Âge d’or de l'orfèvrerie parisienne : Au temps des princes de Valois, Dijon 2004 Colin Platt, Medieval England: A Social History and Archaeology from the Conquest to 1600 A.D., Routledge, 1994
Jenny Stratford, The swan badge and the Dunstable Swan, and other pages as specified, in Richard II's Treasure;