REMOVE

1. airplanes
2. buildings (structures)
3. Spokane, Washington
4. 1920

WHAT

1. Visual Works (hierarchy n … (1)
2. exterior views (1)
3. group portraits (1)

WHERE

1. Killam, Alberta, Canada (1)

WHO

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

WHEN

1. 1945 (1)
2. between circa 1929 and ci … (1)