REMOVE

1. negative
2. Portrait photographs
3. Photographs
4. Dancers.
5. 1869-1942
6. 1917 or 1918

WHAT

1. Glass negatives (1)
2. Portrait photographs (1)

WHO

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

WHEN

1. 1917 (1)
2. 1917 or 1918 (1)