REMOVE

1. pen and ink
2. Hangings.
3. War allies.
4. Editorial cartoons
5. World War, 1914-1918.
6. Library of Congress Prints a …

WHAT

1. Drawings and Watercolors (1)
2. Editorial cartoons (1)
3. War allies. (1)
4. World War, 1914-1918. (1)

More 

WHO

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

WHEN

1. 1854-1931 (1)
2. 1917 (1)
3. 1917? (1)