Literature
Gary Tinterow and Geneviève Lacambre,
Manet/Velazquez, New York, New Haven, 2003, fig. 12.3
Aneta Georgievska-Shine and Larry Silver,
Rubens, Velázquez, and the King of Spain, Farnham, Surrey, England; Burlington, VT, 2014, fig 9.2 (anonymous, studio of Diego Velazquez)