REMOVE

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

WHAT

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

More 

WHO

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

WHEN

1. 1854-1931 (1)
2. 1915 (1)
3. 1915? (1)