REMOVE

1. negative
2. Ruins.
3. Cities & towns.
4. Historic sites.
5. Library of Congress Prints a …
6. Genthe, Arnold

WHAT

1. Acetate negatives (1)
2. Cities & towns. (1)
3. Historic sites. (1)
4. Photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1920 (1)
3. 1926 (1)
4. between 1920 and 1926 (1)