Dr. J. Hulsker, Wie was Vincent van Gogh CreatorSchrofer, JurriaanDate of creation1963CollectionCollection Dutch Graphic Designers Archives Foundation
Piet Calis, Daling van temperatuur CreatorSchrofer, JurriaanDate of creation1964CollectionCollection Dutch Graphic Designers Archives Foundation
Anje Boswijk en Dick Couvée, Vrouwen Vooruit! De weg naar gelijke rechten CreatorSchrofer, JurriaanDate of creation1979CollectionCollection Dutch Graphic Designers Archives Foundation