REMOVE

1. event, military
2. albumen print
3. Photographs
4. North American; American
5. US, VA, Massaponax

WHAT

1. albumen print (1)
2. event, military (1)
3. personage, military (1)

WHERE

1. North American; American (1)
2. US, VA, Massaponax (1)

WHO

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

WHEN

1. 1864 (1)
2. May 21, 1864 (1)