REMOVE

1. sidewalks
2. 1971

WHAT

1. artists (visual artists) (1)
2. automobiles (1)
3. beards (1)
4. berets (1)
5. black-and-white film (2)
6. branches (plant component … (1)
7. buildings (structures) (3)
8. bushes (2)
9. campuses (1)
10. coats (garments) (1)
11. colleges (buildings) (1)
12. color film (film) (2)
13. doors (2)
14. driveways (2)
15. exterior views (4)
16. fences (2)
17. garages (3)
18. houses (2)
19. men (male humans) (3)
20. neighborhoods (2)
21. plants (3)
22. porches (1)
23. portraits (1)
24. rock (3)
25. shadows (1)
26. sheds (storage structures … (2)
27. sky (1)
28. streets (1)
29. studios (work spaces) (1)
30. sunlight (1)
31. towers (building division … (1)
32. trees (4)
33. trucks (2)
34. utility poles (3)
35. Visual Works (hierarchy n … (4)
36. windows (3)
37. workers (2)
38. yards (areas) (3)

WHERE

1. New Windsor, Maryland (3)
2. San Francisco, California (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. ca. 1971 (3)