Ulfert Wilke

1929

Stilleben

Degenerate art" collection

1955

Yellow, Grey, Orange

Georgia Museum of Art

1961

Wall

National Gallery of Art

1961

Glyphs

Collection Rosenwald

1961

Arrow

Estampes de la National Gallery of Art

1969

Calligraphy

National Gallery of Art

1977

Small Numbers Zero Through Nine, Light Brown

Estampes de la National Gallery of Art

1977

White Numbers Zero Through Nine I

National Gallery of Art

1977

White Numbers Zero Through Nine II

National Gallery of Art

1977

White Numbers Zero Through Nine III

National Gallery of Art

1977

Zero, One, Two and Three

Estampes de la National Gallery of Art

1977

Small Numbers Zero Through Nine, Brown

National Gallery of Art

1977

Five Seven Eight Nine and Three

National Gallery of Art

1977

Zero Through Nine

National Gallery of Art

1977

Introduction

National Gallery of Art

1977

Small Numbers Zero Through Nine, Black

Estampes de la National Gallery of Art

1977

Three, Four and Two, Five

Estampes de la National Gallery of Art