REMOVE

1. Parades & processions.
2. negative
3. Photographs
4. Nitrate negatives
5. Library of Congress Prints a …
6. 1918 July 4

WHAT

1. Nitrate negatives (1)
2. Parades & processions. (1)
3. Streets. (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1918 (1)
3. 1918 July 4 (1)