REMOVE

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

WHAT

1. Drawings and Watercolors (1)
2. Editorial cartoons (1)
3. International relations. (1)
4. Uncle Sam (Nickname) (1)

More 

WHO

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

WHEN

1. 1854-1931 (1)
2. 1916 (1)
3. 1916? (1)