A four-volume illustrated memoir, in scrapbook form, of the World War I military service of Humphrey M. Barbour, an artillery officer in the American Army's 42nd (Rainbow) Division. In addition to a 220-page typescript memoir the volumes contain close to 1000 photographic prints, postcards, published halftones, maps, manuscript military records, and drawings relating to Barbour's service, 1917 to 1919.