REMOVE

1. Portrait photographs
2. Glass negatives
3. Library of Congress Prints a …
4. 1918 Sept. 10 or 12

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. 1918 Sept. 10 or 12 (1)