Eero Aarnio - Asko - Armchair, Lounge chair (1) - Ball chair kids | Barnebys
File:Ball chair.png - Wikimedia Commons
Attributed to Thomas How, Pair of side chairs, British, Attributed to Thomas How (British, active 1710–33), ca. 1724–36, British, Walnut and walnut veneer, parcel-gilt, the seat rails of beech; gilded lead mounts
Morris chair - Wikipedia
10th assignment | Ball chair, Bubble chair, History design
A brief history of the Bubble Chair - ICON Magazine