REMOVE

1. gelatin silver print
2. people, being photographed
3. Canada, ONT, Toronto
4. North American; American
5. 1973

WHAT

1. Photographs (1)
2. architecture, stairway (1)
3. gelatin silver print (1)
4. people, being photographe … (1)

WHERE

1. Canada, ONT, Toronto (1)
2. North American; American (1)

WHO

1. George Eastman House (1)
2. Mertin, Roger (1)