REMOVE

1. eyeglasses
2. roads
3. hats
4. sky
5. artists (visual artists)
6. bow ties

WHAT

1. Visual Works (hierarchy n … (1)
2. automobiles (1)
3. barns (1)
4. black-and-white film (1)
5. branches (plant component … (1)

More 

WHERE

1. Westminster, Maryland (1)

WHEN

1. 1961 (1)
2. after 1961 (1)