Air raid precautions Keep cool, don't scream, don't run, prevent disorder, obey all instructions. Poster offering instructions for proper procedures during air raids. Pennsylvania : Penna Art WPA1943/USA
The source of these posters is an archive of 15,000 vintage images along with the historical information on each. All files are stored digitally and are ready for reproduction in a variety of sizes and the quality is closely monitored to ensure satisfactory results.