REMOVE

1. pen and ink
2. Leonardo Da Vinci
3. The Art Institute of Chicago …

WHAT

1. Acetate 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. 1934 (1)
3. 1934 Oct. 26 (1)