REMOVE

1. hats
2. photographers
3. trains (vehicle groupings)

WHAT

1. artists (visual artists) (1)
2. black-and-white film (1)
3. brick (clay product) (1)
4. campuses (1)
5. chairs (furniture forms) (1)
6. colleges (buildings) (1)
7. commencements (1)
8. exterior views (1)
9. flags (1)
10. men (male humans) (1)
11. podiums (platforms) (1)
12. portraits (1)
13. railroad stations (1)
14. robes (main garments) (1)
15. sitting (1)
16. stages (performances spac … (1)
17. train sheds (1)
18. Visual Works (hierarchy n … (1)
19. windows (1)
20. women (1)

WHEN

1. 1967 (1)