REMOVE

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

WHAT

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