REMOVE

1. pen and ink
2. Uncle Sam (Nickname)
3. Cactus.
4. Library of Congress Prints a …

WHAT

1. Drawings and Watercolors (2)
2. Editorial cartoons (2)
3. Uncle Sam (Nickname) (2)
4. pen and ink (2)

WHO

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

WHEN

1. 1854-1931 (2)
2. 1916 (1)
3. 1916? (1)
4. 1919 (1)
5. 1919? (1)