REMOVE

1. pen and ink
2. Uncle Sam (Nickname)
3. Diplomats
4. Rogers, W. A.
5. Library of Congress Prints a …
6. 1915

WHAT

1. Drawings and Watercolors (1)
2. Editorial cartoons (1)
3. International relations. (1)
4. Spying. (1)

WHO

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

WHEN

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