REMOVE

1. boys
2. ink
3. 1945
4. 1966
5. 1966-1999

WHAT

1. autumn (1)
2. black-and-white film (1)
3. branches (plant component … (1)
4. color film (film) (1)
5. exterior views (1)
6. freight cars (1)
7. houses (2)
8. interior views (1)
9. ladders (2)
10. landscapes (representatio … (1)
11. plants (1)
12. porches (1)
13. railroads (1)
14. rails (transit system ele … (1)
15. roads (1)
16. scaffolds (1)
17. signs (declatory or adver … (1)
18. sky (1)
19. soil (1)
20. trains (vehicle groupings … (1)
21. trees (2)
22. Visual Works (hierarchy n … (2)
23. wheels (components) (1)
24. windows (1)
25. wrecks (sites) (1)

Less

WHERE

1. New Windsor, Maryland (2)

WHO

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

More 

WHEN

1. 1969 (1)
2. 1970 (1)