cf. Peter Noeuvo, ed. Josef Hoffmann Designs, Mak-Austrian Museum of Applied Arts, Vienna, Prestel-Verlag, Germany, 1992, p. 172, ill. 268 for similar example in brass; R. Craig Miller, Modern Design in the Metropolitan Museum of Art 1890-1990, Metropolitan Museum of Art and Harry N. Abrams, New York, 1990, pp. 88-89 for similar example; Werner J. Schweiger, Wiener Werkstätte: Design in Vienna 1903-1932, Abbeville Press, New York, 1984, p. 70 for similar example