REMOVE

1. Portrait photographs
2. Photographs
3. Nitrate negatives
4. Genthe, Arnold
5. between 1920 and 1923

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1920 (1)
3. 1923 (1)
4. between 1920 and 1923 (1)