Between 1870 and 1950, America's railroads produced a body of poster work significant both for the artists involved and for the range of images created. The railroads used this visual medium from their founding, first in the form of broadsides, dominated by text and intended to convey practical information, and then, during the 1890s, as vivid lithographed display posters. For the next 50 years, American railroads commissioned posters designed to...