REMOVE

1. trees
2. sunglasses
3. sky
4. portraits

WHAT

1. artists (visual artists) (3)
2. barriers (2)
3. black-and-white film (2)
4. buildings (structures) (1)
5. bushes (2)
6. coats (garments) (1)
7. color film (film) (1)
8. concrete block (2)
9. exterior views (1)
10. fedoras (1)
11. fields (land) (2)
12. groves (plant communities … (1)
13. hills (1)
14. lakes (bodies of water) (1)
15. landscapes (representatio … (1)
16. men (male humans) (3)
17. monuments (1)
18. parks (recreation areas) (1)
19. pens (drawing and writing … (1)
20. plants (3)
21. profiles (figures) (1)
22. purses (ladies' accessori … (1)
23. scarves (costume accessor … (1)
24. shadows (1)
25. spouses (1)
26. sunlight (1)
27. utility poles (2)
28. Visual Works (hierarchy n … (3)
29. women (1)
30. woods (plant communities) (1)
31. yards (areas) (2)

WHERE

1. Westminster, Maryland (2)
2. Washington, District of C … (1)

WHO

1. Campbell, Sandra L. Still (2)
2. Sandra L. Still Campbell; … (2)
3. Garske, Patricia; Patrici … (1)
4. Still, Patricia (1)

More 

WHEN

1. 1964 (2)
2. 1968 (1)