REMOVE

1. Glass negatives
2. negative
3. Portrait photographs
4. Artists.

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. 1913 (1)
3. 1913 July 16 (1)