Van Dyck. A Complete Catalogue of the Paintings, Susan Barnes, Nora de Poorter, Oliver Millar, Horst Vey, Yale University Press, 2004, p. 71, on the basis of a black and white image from a 1968 sale catalogue, as a copy; following its recent re-emergence and cleaning, now considered by Susan Barnes to be an autograph work by Van Dyck, following her first hand examination of the painting in February 2018 (her written confirmation provided by the owner to JVDPPP)