REMOVE

1. albumen print
2. US, PA, Gettysburg
3. North American; American

WHAT

1. Photographs (1)
2. albumen print (1)

WHERE

1. North American; American (1)
2. US, PA, Gettysburg (1)

WHO

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

WHEN

1. 1863 (1)
2. July, 1863 (1)