NARA, the U.S. National Archives and Records Administration, has uploaded 100,000 images to the Wikimedia Commons area of Wikipedia. You can browse the images or even help categorize them. This digital outgrowth of the nation’s attic contains everything from Kiowa artwork on buckskin to aerial views of Cleveland and Los Angeles, images of WWI chemical warfare, prohibition-era Detroit, balloon races, women working in WWII factories, a famous author holding his baby, V-bomb damage in London, and the Chapstick tubes that held hidden microphones, for use in the Watergate break-in…