Valaisimia Lampor 53, Stockmann, Helsinki, 1951, p. 28 for a similar example
Valaisimia Lampo 57, Stockmann-Orno, Helsinki, 1957, pp. 3, 8 for similar examples
Design Musuem, Lisa Johansson-Pape – 07 – 27 – 37 – 67 –, no. 19, Helsinki, 1986, pp. 47, 68-69 for similar examples