REMOVE

1. hats
2. neighborhoods
3. women
4. plants

WHAT

1. artists (visual artists) (1)
2. automobiles (1)
3. black-and-white film (2)
4. buildings (structures) (1)
5. coats (garments) (2)
6. dresses (garments) (1)
7. driveways (1)
8. exterior views (2)
9. eyeglasses (1)
10. families (kinship groups) (1)
11. freight cars (1)
12. houses (2)
13. lamps (lighting devices) (1)
14. men (male humans) (2)
15. mothers (1)
16. parking lots (1)
17. portraits (1)
18. purses (ladies' accessori … (1)
19. railroads (1)
20. rails (transit system ele … (1)
21. roads (1)
22. rock (1)
23. rubbish (1)
24. sidewalks (1)
25. signs (declatory or adver … (1)
26. sky (1)
27. soil (1)
28. suits (main garments) (1)
29. trains (vehicle groupings … (1)
30. trees (1)
31. trucks (1)
32. utility poles (1)
33. Visual Works (hierarchy n … (2)
34. wheels (components) (1)
35. workers (1)

WHERE

1. New Windsor, Maryland (1)
2. Pullman, Washington (1)

WHO

1. Campbell, Sandra L. Still (1)
2. Clyfford Still; Still, Cl … (1)
3. Sandra L. Still Campbell; … (1)
4. Still, Clyfford (1)

More 

WHEN

1. 1939 (1)
2. 1969 (1)