? (Question Mark) Australian WWI Poster - Norman Lindsay

Russian poster WWI 009

Russian poster WWI 037

Boardman Robinson WWI poster 1

Americans all poster, United States, World War I (POSTERS 18)

Australians arise! Save her from this shame! – Australian World War One poster

Russian poster WWI 072

Russian poster WWI 027

Russian poster WWI 008

Russian poster WWI 039

War Savings stamp poster, United States, World War I (POSTERS 23)

Russian poster WWI 070

America First poster (ca.1915-1929)