REMOVE

1. Portrait photographs
2. not before 1918 May
3. 1920

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1918 (1)
3. not before 1918 May (1)