REMOVE

1. negative
2. Glass negatives
3. Portrait photographs
4. Theatrical productions.

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1910 (1)
3. 1925 (1)
4. between 1910 and 1925 (1)