"We seek to inform as well as to celebrate. The best posters about American workers and the jobs at which they labor make up a visually fascinating body of work that rewards our attention. The posters were produced with a dual purpose: to entertain and to inform. They were also vehicles for working people to present themselves visually, which is rarely as straightforward as it might seem because the labor force itself is not monolithic. Nor are the posters about just paid or wage labor. They repeatedly demonstrate that labor issues include both the workplace and the outside community and...