REMOVE

1. Portrait photographs
2. Group portraits
3. Nitrate negatives
4. between 1911 and 1934

WHAT

1. Group portraits (1)
2. Nitrate negatives (1)
3. Photographs (1)
4. Portrait photographs (1)
5. negative (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1911 (1)
3. 1934 (1)
4. between 1911 and 1934 (1)