REMOVE

1. Acetate negatives
2. negative
3. Photographs
4. Portrait photographs
5. Genthe, Arnold
6. between 1926 and 1938

WHAT

1. Acetate negatives (1)
2. Group portraits (1)
3. Portrait photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1926 (1)
3. 1938 (1)
4. between 1926 and 1938 (1)