↑Wolfgang Helbig, Fürer durch die öffenticher Sammlungen klassischer Altertümer in Rom, 1969 I:109f; the extent to which such copies are free pastiches is always an unknown.
↑The high reputation of the Sleeping Ariadne is sketched by Francis Haskell and Nicholas Penny, Taste and the Antique: the lure of classical sculpture 1500-1900, 1981, cat. no. 24 (as Cleopatra):184-87.
