"Wiener Werkstätte Jewelry," Neue Galerie, New York, March 27-June 30, 2008; "Glanzstücke: Emilie Flöge und der Schmuck der Wiener Werkstätte," Wien Museum, Vienna, November 13, 2008-February 22, 2009
"Hohe Warte," Vienna, 1906, 1, 2.Jg.; Werner J. Schweiger, Wiener Werkstätte: Design in Vienna, 1903–1932, New York, 1984, p. 215, fig. CL; Peter Noever, ed., Yearning for Beauty: The Wiener Werkstätte and the Stoclet House, Ostfildern-Ruit, 2006, p. 61 for the drawing; Janis Staggs, ed., Wiener Werkstätte: Jewelry, Ostfildern-Ruit, 2008, illustrated pp. 38 and 84, and p. 84 and for the drawing; Paul Asenbaum, et al., Glanzstücke: Emilie Flöge und der Schmuck der Wiener Werkstätte, exh. cat., Wien Museum, Vienna, 2009, p. 73