REMOVE

1. Photographs
2. event, prison shakedown
3. gelatin silver print
4. occupation, prison guards
5. interior, cell block
6. occupation, prison guards
7. 1968

WHAT

1. event, prison shakedown (1)
2. gelatin silver print (1)
3. interior, cell block (1)
4. occupation, prison guards (1)

More 

WHERE

1. North American; American (1)
2. US, TX (1)

WHO

1. George Eastman House (1)
2. Lyon, Danny (1)

WHEN

1. 1967 (1)
2. ca. 1967-68 (1)