REMOVE

1. World War, 1914-1918.
2. Mammoths.
3. Rogers, W. A.
4. Library of Congress Prints a …
5. 1918

WHAT

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

WHO

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

WHEN

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