REMOVE

1. National parks & reserves.
2. Nitrate negatives
3. Photographs
4. Genthe, Arnold
5. Library of Congress Prints a …
6. 1903
7. 1703-1770

WHAT

1. Cities & towns. (1)
2. Nitrate negatives (1)
3. Religious communities. (1)
4. Ruins. (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1899 (1)
3. 1926 (1)
4. between 1899 and 1926 (1)