Ernst, Bruno

5

Escher, Maurits Cornelis

2

Locher, J.L.

2

Bool, Flip

1

Broos, C.H.A.

1

Coxeter, H.S.M.

1

Kist, J.R.

1

Locher, G.W.

1

Wierda, F.

1

drawings

1

graphics

1

holography

1

photography (techniques)

1

1986

2

1981

1

1976

1

1968

1