REMOVE

1. Nitrate negatives
2. Streets.
3. Library of Congress Prints a …
4. 1938
5. 1931
6. between 1931 and 1938

WHAT

1. Cityscape photographs (1)
2. Nitrate negatives (1)
3. Photographs (1)
4. negative (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. between 1931 and 1938 (1)