REMOVE

1. people, native americans
2. albumen print
3. portrait, group
4. Photographs
5. 1871

WHAT

1. albumen print (1)
2. people, native americans (1)
3. portrait, group (1)

WHERE

1. North American; American (1)
2. US, NV (1)

WHO

1. George Eastman House (1)
2. O'Sullivan, Timothy H. (1)