Bull p. 167. See for example a marble relief with the Swan, grasping the back of Leda's neck with his beak, excavated in Argos, Peloponnese, Greece, from 50–100 AD in the British Museum; See External links for other examples
Gopaldas, A. (2021, June 22). An up-close look at the savoir-faire behind the swan dress from Dior Cruise 2022. Vogue Singapore. https://vogue.sg/dior-swan-dress/