A. Graves, A century of loan exhibitions 1813-1912, Bath, 1913-15, II, p. 1524, under 1910, no. 125, as 'Van Dyck'. G. Glück, Van Dyck, des Meisters Gemälde, Klassiker der Kunst, Stuttgart, 1931, p. 159, as 'Van Dyck'. W.Valentiner, ed., Masterpieces of Art: Catalogue of European Paintings and Sculpture from 1300-1800, exhibition catalogue, New York, World's Fair, 1939, no. 102, as 'Van Dyck'. M. Jaffé, 'Van Dyck Portraits in the De Young Museum and Elsewhere', Art Quarterly, XXVIII, no. 1, 1965, pp. 44, 54, under note 32, fig. 12, as 'Van Dyck' and 'whereabouts unknown'. 'Chronique des arts', supplement to Gazette des beaux-arts, LXXVII, no. 1225, February 1971, p. 70, no. 329, as 'Van Dyck'. S.J. Barnes, Van Dyck in Italy, PhD diss., New York University, 1986, p. 290, no. 58, fig. 204, as 'Van Dyck'. E. Larsen, L'Opera completa di Van Dyck, Milan, 1980, I, cited under no. 350, as 'a copy after Van Dyck'. E. Larsen, The Paintings of Anthony van Dyck, Freren, 1988, no. A67, as 'another artist wrongly attributed to Van Dyck'. S.J. Barnes, et al., Van Dyck a Genova. Grande pittura e collezionismo, exhibition catalogue, Genoa, 1997, p. 232 cited under no. 37, as 'dubiously autograph of Van Dyck'. S.J. Barnes et al., Van Dyck, A complete catalogue of the paintings, New Haven and London, 2004, p. 233, no.II.iii, as 'difficult to determine Van Dyck's role'.