F.F. Sherman, in Art in America, vol. 27, July 1939, p. 147, illustrated, under 'Recent additions to American Private Collections'. Art News Annual, vol. 37, no. 22, 1939, p. 56, illustrated. M.L. Wilson, The Tragedy of Hamlet Told by Horatio, Enschede, 1956, pp. 621-22, fig. 83. E. Tietze-Conrat, Dwarfs and Jesters in Art, London, 1957, pp. 19, 94, fig. 21. C.A. Wertheim Aumes, Hieronymous Bosch, Holland, 1961. W. Willeford, The Fool and His Scepter, Evanston, 1969, pp. 6, 29, pl. 2. L.A. Silver, Quentin Massys (1466-1530), Ph.D. diss., Harvard University, 1974, pp. 214-15, 355-56. A. de Bosque, Quentin Metsys, 1975, p. 196, no. 242, illustrated. S. Poley, Unter de Maske des Narren, Stuttgart, 1981, p. 47, fig. 39. L.A. Silver, The Paintings of Quinten Massys with Catalogue Raisonné, Montclair, 1984, pp.146-147, 192, 227-228, no.44, plate 135. C. Gaignebet et al, Art profane et religion populaire au moyen age, Paris, 1985, p. 189. Görel Cavalli-Bjorkman, 'The Laughing Jester', Nationalmuseum Bulletin, Stockholm, IX, 1985, no. 2, p. 106, fig. 7. S. Evans, Ben Jonson, PhD diss., University of Kansas, 1991. P. Lampert, Chronik der Bad Homburger Fastnacht, 1998, p. 100. M. Slowinski, Blazen, Poznán, cover illustration.