Stadsgalerij Heerlen [ontwerp] CreatorSchrofer, JurriaanDate of creation1987CollectionCollection Dutch Graphic Designers Archives Foundation
TD Associatie voor Collectie NAGO bv CreatorCollectie NAGODate of creation1963CollectionCollection Dutch Graphic Designers Archives Foundation
The European Designer CreatorCrouwel, WimCollectionCollection Dutch Graphic Designers Archives Foundation
Vereenigde accountantskantoren CreatorSchrofer, JurriaanDate of creation1965CollectionCollection Dutch Graphic Designers Archives Foundation
Warmtecentrum Date of creation1965-1975CollectionCollection Dutch Graphic Designers Archives Foundation
Wetenschappelijke Raad voor het Regeringsbeleid CreatorCollectie NAGODate of creation1988CollectionCollection Dutch Graphic Designers Archives Foundation