Marianne Aav, Rosa Barovier Mentasti and Gordon Bowyer, et al., Tapio Wirkkala - eye, hand and thought, exh. cat., Museum of Art and Design, Helsinki, 2000, p. 362
Heikki Matiskainen, ed., Tapio Wirkkala: A Poet in Glass and Silver, Collection Kakkonen, exh. cat., Finnish Glass Museum, Riihimäki, 2013, p. 360, fig. 25