REMOVE

1. Photographs
2. negative
3. Nitrate negatives
4. Portrait photographs
5. Genthe, Arnold
6. between 1918 and 1920

WHAT

1. Nitrate negatives (1)
2. Portrait photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1918 (1)
3. 1920 (1)
4. between 1918 and 1920 (1)