De ontzettend verwende koning, De Gruyter: Hofleverancier van Koning Klant [ontwerp] CreatorSchrofer, JurriaanDate of creation1966CollectionCollection Dutch Graphic Designers Archives Foundation
Trots op verse koffie, De Gruyter CreatorSchrofer, JurriaanDate of creation1966CollectionCollection Dutch Graphic Designers Archives Foundation
Paleis op de Dam CreatorCollectie NAGODate of creation1976CollectionCollection Dutch Graphic Designers Archives Foundation