Studio Dumbar

23–49. Studio Dumbar (Dennis Koot), poster for Pulchri Studio, The Hague, End of Year Exhibition

23–48. Studio Dumbar (Bob van Dijk), poster, “When the Well Is Dry, We Know the Worth of Water”

23–47. Studio Dumbar (Bob van Dijk), poster for Holland Dance Festival

23–37. Studio Dumbar, PTT corporate identity system