Occasional Papers, Engineer School, United States Army, Volume 39/fr-ca/occasional-papers-engineer-school-united-states-army-volume-39/7DED0596-619C-48C9-98EC-0F266E9E2557.html7DED0596-619C-48C9-98EC-0F266E9E2557
Occasional Papers, Engineer School, United States Army, Volume 39