REMOVE

1. gelatin silver print
2. Photographs
3. people, prisoners
4. people, at work
5. US, TX
6. Lyon, Danny

WHAT

1. gelatin silver print (1)
2. people, at work (1)
3. people, prisoners (1)

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. 1968 (1)
3. ca. 1967-68 (1)