REMOVE

1. Photographs
2. albumen print
3. US, CO
4. George Eastman House

WHAT

1. albumen print (3)
2. landscape, figure in (1)
3. landscape, lakes (1)
4. landscape, mountain (1)

WHERE

1. North American; American (3)
2. US, CO (3)

WHO

1. George Eastman House (3)
2. O'Sullivan, Timothy H. (2)
3. Hillers, John K. (1)

WHEN

1. 1874 (2)
2. 1870 (1)
3. 1880 (1)
4. ca. 1875 (1)