Lady with Face Mask

cf. Elisabeth Frottier, Michael Powolny, Vienna 1990, ill. on fly-leaf and p. 14
cf. Gabriele Fahr-Becker, Wiener Werkstätte 1903-1932, Cologne 1994, ill. p. 134 et seq.
cf. Exhibition catalogue “Bertold Löffler. Vagant zwischen Secessionismus und Neobiedermeier”, University of Applied Arts, Vienna 2000, ill. p. 112, no 151 (sketch of a fan) and no 152
cf. Exhibition catalogue "Kabarett Fledermaus 1907 bis 1913. Ein Gesamtkunstwerk der Wiener Werkstätte - Literatur. Musik. Tanz.", Vienna 2007, ill. p. 77 (sketch of a fan) and p. 84