REMOVE

1. railroads
2. automobiles
3. roads

WHAT

1. banks (landforms) (3)
2. black-and-white film (4)
3. boys (2)
4. branches (plant component … (2)
5. brick (clay product) (3)
6. bridges (built works) (1)
7. buildings (structures) (4)
8. bushes (3)
9. children (2)
10. cityscapes (representatio … (1)
11. clouds (1)
12. coats (garments) (3)
13. color film (film) (1)
14. driveways (1)
15. exterior views (5)
16. farms (1)
17. fields (land) (3)
18. forests (plant communitie … (3)
19. freight cars (4)
20. garages (3)
21. grain elevators (1)
22. hats (3)
23. hills (2)
24. horizon line (1)
25. houses (1)
26. Jaguar Mark series automo … (1)
27. lamps (lighting devices) (1)
28. landscapes (representatio … (3)
29. men (male humans) (4)
30. neighborhoods (1)
31. parking lots (1)
32. pipes (smoking equipment) (1)
33. plants (4)
34. purses (ladies' accessori … (1)
35. rails (transit system ele … (4)
36. rivers (1)
37. rock (2)
38. rubbish (3)
39. sidewalks (1)
40. signs (declatory or adver … (4)
41. sky (4)
42. soil (4)
43. trains (vehicle groupings … (4)
44. trees (5)
45. trucks (1)
46. utility poles (5)
47. Visual Works (hierarchy n … (5)
48. wheels (components) (3)
49. windows (3)
50. women (1)
51. woods (plant communities) (1)
52. workers (4)
53. wrecks (sites) (2)

WHERE

1. New Windsor, Maryland (4)
2. New York (1)
3. Pennsylvania (1)

WHO

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

More 

WHEN

1. 1969 (4)
2. 1964 (1)
3. circa 1964 December (1)