Public domain
Forty-two keys to victory. One of America's foremost cartoonists comes through with a poster for the Office of War Information's (OWI) typewriter campaign as Dr. Seuss's typin' and Uncle Sam sounds the call for your typewriter
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineForty-two keys to victory. One of America's foremost cartoonists comes through with a poster for the Office of War Information's (OWI) typewriter campaign as Dr. Seuss's typin' and Uncle Sam sounds th. 1942-01-01. United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.