REMOVE

1. Portrait photographs
2. negative
3. Glass negatives
4. Dancers.
5. Library of Congress Prints a …
6. between 1914 and 1919

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1914 (1)
3. 1919 (1)
4. between 1914 and 1919 (1)