Caricature in Portugal during the nineteenth century : the production and reception of Wagner's work in the S. Carlos theatre as depicted in Rafael Bordalo Pinheiro's caricatures
Luzia Rocha, Caricature in Portugal during the nineteenth century : the production and reception of Wagner's work in the S. Carlos theatre as depicted in Rafael Bordalo Pinheiro's caricatures, Imago musicae , 21/22, 2004, pp. 171-189