REMOVE

1. Photographs
2. gelatin silver print
3. people, at work
4. people, prisoners
5. North American; American

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)