REMOVE

1. people, prisoners
2. Photographs
3. people, at work
4. gelatin silver print
5. 1967

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