REMOVE

1. Portrait photographs
2. negative
3. Musicians.
4. Library of Congress Prints a …
5. Genthe, Arnold
6. 1915 July 3

WHAT

1. Glass negatives (1)
2. Photographs (1)
3. Portrait photographs (1)
4. 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)