REMOVE

1. physicians
2. pipes (smoking equipment)
3. plants
4. porches

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. black-and-white film (1)
4. brick (clay product) (1)
5. cabins (houses) (1)

More 

WHEN

1. 1958 (1)
2. ca. 1958 (1)