REMOVE

1. Educational facilities.
2. Genthe, Arnold
3. Library of Congress Prints a …
4. between 1915 and 1918
5. 1918
6. 1915

WHAT

1. Educational facilities. (1)
2. Nitrate negatives (1)
3. Photographs (1)
4. negative (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. between 1915 and 1918 (1)