REMOVE

1. Glass negatives
2. Photographs
3. Portrait photographs
4. not before 1914

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1914 (1)
3. 1916 (1)
4. not before 1914 (1)