Ella Moody, Decorative art: the Studio yearbook of international furnishing and decoration 1963-4, vol. 53, London, p. 148 Suomen lasimuseo, The modern spirit - glass from Finland, Riihimäki, 1984, no. 101
1960s Glass. Largest: 4 1/2 in. (11.4 cm) high, 8 1/2 in. (21.6 cm) diameter Produced by Riihimäen Lasi Oy, Finland. Underside of each incised NANNY STILL RIIHIMÄEN LASI OY.