REMOVE

1. replicas
2. 1929
3. 1950
4. ca. 1967

WHAT

1. Visual Works (hierarchy n … (1)
2. autumn (1)
3. clocks (1)
4. color film (film) (1)
5. machinery (1)

WHERE

1. Carroll County, Maryland (1)
2. Gettysburg, Pennsylvania (1)

WHO

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

WHEN

1. 1975 (1)
2. 1975 November (1)