REMOVE

1. International relations.
2. Uncle Sam (Nickname)
3. Editorial cartoons
4. Diplomats
5. Rogers, W. A.
6. Library of Congress Prints a …

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)