REMOVE

1. pen and ink
2. Editorial cartoons
3. World War, 1914-1918.
4. Forging.

WHAT

1. Defense industry. (1)
2. Drawings and Watercolors (1)
3. Editorial cartoons (1)
4. pen and ink (1)
5. Steel industry. (1)
6. Uncle Sam (Nickname) (1)
7. World War, 1914-1918. (1)

WHO

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

WHEN

1. 1854-1931 (1)
2. 1918 (1)
3. 1918? (1)