REMOVE

1. negative
2. Nitrate negatives
3. between 1915 and 1919
4. 1915

WHAT

1. Dancers. (1)
2. Nitrate negatives (1)
3. Photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1919 (1)
3. between 1915 and 1919 (1)