REMOVE

1. rivers
2. sky
3. plants
4. cardigans
5. automobiles

WHAT

1. barns (1)
2. bridges (built works) (1)
3. color film (film) (2)
4. farmhouses (2)
5. farms (1)
6. fields (land) (1)
7. flower (plant material) (1)
8. gardens (open spaces) (1)
9. highways (2)
10. hills (1)
11. interior views (1)
12. landscapes (representatio … (1)
13. Lincoln Continental autom … (1)
14. painting equipment (1)
15. paintings (visual works) (1)
16. portraits (1)
17. roads (2)
18. snow (precipitation) (1)
19. spring (season) (1)
20. stretchers (framing and m … (1)
21. studios (work spaces) (1)
22. summer (season) (1)
23. sunlight (1)
24. trees (2)
25. Visual Works (hierarchy n … (2)
26. woods (plant communities) (1)

Less

WHERE

1. 1445 Old Westminster Road … (1)
2. Maryland Route 31 (state … (1)
3. Tioga, Pennsylvania (1)
4. Westminster, Maryland (1)

More 

WHO

1. Still, Patricia (2)
2. Still, Clyfford (1)

WHEN

1. 1976 (1)
2. 1976 October 5-8 (1)
3. 1979 (1)