Panorama. A History of Modern Design in Belgium at ADAM, Brussels Design Museum
...While the fact that in 1954 Knoll entered a licensing agreement with Belgian manufacturer De Coene is not irrelevant... In the early 1950s Hans and Florence Knoll established a number of partnerships and realised numerous interiors projects in Europe, Knoll International being established in Stuttgart in 1951 to coordinate and oversee the European ventures...