REMOVE

1. Glass negatives
2. negative
3. Photographs
4. Portrait photographs
5. Musicians.
6. 1915 July 3

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1915 (1)
3. 1915 July 3 (1)