REMOVE

1. Glass negatives
2. Dancers.
3. Genthe, Arnold
4. Library of Congress Prints a …
5. 1869-1942
6. not before 1916

WHAT

1. Glass negatives (1)
2. Photographs (1)
3. negative (1)

WHO

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

WHEN

1. 1916 (1)
2. 1918 (1)
3. not before 1916 (1)