REMOVE

1. Group portraits
2. Acetate negatives
3. negative
4. Photographs
5. 1929
6. not before 1929 May 13

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1931 (1)
3. not before 1929 May 13 (1)