REMOVE

1. gelatin silver print
2. US, PA, Pittsburgh

WHAT

1. Photographs (4)
2. gelatin silver print (4)
3. landscape, industrial (1)
4. landscape, river (1)

WHERE

1. US, PA, Pittsburgh (4)
2. European; British (2)
3. North American; American (2)

WHO

1. George Eastman House (4)
2. Coburn, Alvin Langdon (2)
3. Smith, W. Eugene (1)
4. Webb, Todd (1)

WHEN

1. 1910 (2)
2. 1945 (1)
3. 1951 (1)
4. 1955 (1)
5. ca. 1950 (1)