REMOVE

1. pen and ink
2. World War, 1914-1918.
3. Drawing
4. Mammoths.
5. 1854-1931
6. 1917?

WHAT

1. Drawings and Watercolors (1)
2. Uncle Sam (Nickname) (1)
3. War allies. (1)

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WHO

1. Library of Congress Print … (1)
2. Rogers, W. A. (1)

WHEN

1. 1917 (1)
2. 1917? (1)