REMOVE

1. fathers
2. mothers
3. children
4. hats
5. houses
6. portraits
7. black-and-white film

WHAT

1. Visual Works (hierarchy n … (1)
2. chairs (furniture forms) (1)
3. curators (1)
4. doors (1)

More 

WHERE

1. Ensenada, Baja California … (1)

WHO

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

WHEN

1. 1949 (1)