REMOVE

1. correspondence
2. ink
3. 1962

WHAT

1. Bauhaus (2)
2. Cubist (2)
3. Information Forms (hierar … (2)
4. graphite pencils (2)

WHO

1. Clyfford Still; Still, Cl … (2)
2. Still, Clyfford (2)

WHEN

1. 1956 (2)
2. 1956 February 22 (2)