Advance Information on the Second National Aero Congress to Form a National Aeronautic Association. Board of Commerce Building, Detroit, Michigan, Oct 12-14, 1922. The Advance Committee on Organization, Washington and Detroit, 24pp, illus, 6x9", wrps. Convention program, map showing air and rail travel times across the US, map of the Selfridge Field National Air Races on these same dates, registation form and a list of the Detroit Aviation Society members. Poor-fair, center four pages roughly torn from staples.