Don't forget there are still 3 unsolved here...
s1 - 1933 Fuller Dymaxion I Airflow
s2 - 1934 McQuay-Norris Streamliner
s3 - 1932 Bergholt Streamline
s4 - 1936 Arrowhead Teardrop Car
s5 - 1932 Martin Aerodynamic
s6 - 1936 Parker sedan
s7 - 1936 Tucker
s8 - 1939 Hunt House-Car
s9 - 1930 Hariss Steam prototype
s10 - 1935 Hoppe & Streuer streamliner
s11 - 1929 Hungerford Rocket
s12 - 1935 Diehl streamliner
s13 - 1939 Thomas streamlined coupe
s14 - 1935 Mystery Car Electric
s15 - 1942 Lusk Cycle Bus
s16 - 1937 Pribil Housecar
s17 -
s18 - 1935 Tjaarda Sterkenburg
s19 - 1932 Arrow Plane
s20 - 1936 Richard Crossley's Aerocoupe
s21 - 1937 Christman & Quiggle Streamliner
s22 - 1934 Bendix
s23 - 1937 Cricket Nr 3
s24 - 1931 Bell Geddes motorcar
s25 - 1936 Stout Scarab
s26 - 1936 Harris Front Drive Special
s27 - 1938 Vacca streamliner
s28 -
s29 - 1937 Lewis Airomobile prototype
s30 - 1938 Heinz Comet
s31 - 1931 Briggs sedan by Tjaarda
s32 - 1933 Pierce Arrow Silver Arrow sedan
s33 - 1936 Bridges