REMOVE

1. National parks & reserves.
2. Nitrate negatives
3. Library of Congress Prints a …
4. between 1903 and 1906

WHAT

1. Glass negatives (2)
2. Photographs (2)
3. Portrait photographs (2)
4. negative (2)

WHO

1. Genthe, Arnold (2)
2. Library of Congress Print … (2)

WHEN

1. 1869-1942 (2)
2. 1914 (2)
3. 1914 June 27 (2)