REMOVE

1. Portrait photographs
2. negative
3. Photographs
4. Glass negatives
5. not before 1921 Sept. 15

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1921 (1)
3. 1923 (1)
4. not before 1921 Sept. 15 (1)