You can enter the poster archive here.
more than 200 of which you can view in high resolution and download from the “Art of the Poster 1880-1918,” a Flickr collection assembled by the Minneapolis College of Art and Design.
“In the late nineteenth century, lithographers began to use mass-produced zinc plates rather than stones in their printing process,” says the accompanying text. “This innovation allowed them to prepare multiple plates, each with a different color ink, and to print these with close registration on the same sheet of paper. Posters in a range of colors and variety of sizes could now be produced quickly, at modest cost.”
