REMOVE

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

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 July 3 (1)