REMOVE

1. pen and ink
2. Uncle Sam (Nickname)
3. Diplomats
4. 1915

WHAT

1. Drawings and Watercolors (1)
2. Editorial cartoons (1)
3. International relations. (1)
4. pen and ink (1)
5. Spying. (1)
6. Uncle Sam (Nickname) (1)
7. World War, 1914-1918. (1)

WHO

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

WHEN

1. 1854-1931 (1)
2. 1915? (1)