REMOVE

1. negative
2. Nitrate negatives
3. Library of Congress Prints a …
4. Genthe, Arnold
5. 1920 Nov. 4
6. Italian; 1509-1566

WHAT

1. Aquatint (1)
2. Prints (1)

WHERE

1. European; Northern Europe … (1)
2. Germany (1)

WHO

1. Fine Arts Museums of San … (1)
2. Kobell, Wilhelm von (1)

WHEN

1. 1700 (1)
2. 1766 - 1853 (1)
3. 1899 (1)
4. 18th - 19th century (1)