REMOVE

1. replicas
2. brown
3. after 1966
4. 1968

WHAT

1. Visual works (hierarchy n … (2)
2. figures (2)
3. graphite pencils (2)
4. hats (2)
5. pipes (smoking equipment) (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1923 (2)
2. 1930 (2)
3. circa 1923–30 (2)