UNCLE SAM MUST HAVE TRAINED MEN & WOMEN FOR WAR INDUSTRIES - NARA - 515894

Uncle Sam Needs Your Scrap - NARA - 533975

PREPARE FOR YOUR WAR JOB NOW^ MILLIONS ARE NEEDED - SHORT FREE COURSES. - NARA - 515204

Uncle Sam needs that extra shovelful poster, United States, World War I (POSTERS 28)

Uncle Sam Worked Here exhibit-04