The Finnish Glass Museum, Riihimaki.
Finnish Glass, Glass manufacturers’ brochures from the 1950s, The Finnish Glass Museum, Riihimaki, 1994, pp. 4, 9, 13, 22, 30
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. 303
Heikki Matiskainen, ed., Tapio Wirkkala: A Poet in Glass and Silver, Collection Kakkonen, exh. cat., Finnish Glass Museum, Riihimäki, 2013, p. 306