REMOVE

1. sky
2. windows
3. railroads
4. trees
5. freight cars

WHAT

1. artists (visual artists) (1)
2. backdrops (1)
3. beards (1)
4. black-and-white film (1)
5. men (male humans) (1)
6. neckties (1)
7. portraits (1)
8. shadows (1)
9. sitting (1)
10. suits (main garments) (1)
11. Visual Works (hierarchy n … (1)

Less

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra L. Still Campbell; … (1)

WHEN

1. 1974 (1)