@article {Waddington1970,
	title = {The Iconography of Silence and Chapman{\textquoteright}s Hercules},
	journal = {Journal of the Warburg and Courtauld Institutes},
	volume = {33},
	year = {1970},
	pages = {248{\textendash}263},
	author = {Waddington, Raymond B.}
}
