Roberto Serboli

Roberto Serboli

Etiénne Lepicard

Grand Prix de Genève – 1931

Meyrin

Rabag-Bugatti Type 13

Rabag-Bugatti

Hans Theisen

August Frings

Rudolf Städtgen

H. Lauenstein

Eugen Winter

ADAC Eifelrennen – 1931

Duesenberg Alberti

Cooper Goldberg Brothers FD

Rigling Miller

Buick Butcher Brothers

Rigling Art Rose FD

Willys Jones-Miller

Duesenberg 122-30

Duesenberg A-240

Smith Empire State

Duesenberg Buckeye

Duesenberg Frame-Miller Duesenberg

Coleman FD

Miller Nutmeg State FD

Stevens Brisko-Atkinson FD

Miller All Oil

Miller Pedrick Piston Ring

Stevens Sampson

Duesenberg Maley

Snowberger Russell 8

Cooper Empire State FD

Miller Harry Miller

Summers Miller-Hartz FD

Morton & Brett – Engine

Curtis – Engine

Clemons – Engine

Morton & Brett

Coleman

Joe Huff

Eddie Burbach

George Wingerter

James Patterson

Charles Moran

Harry Butcher

John Boling

Marion Trexler

Bill Denver

Joe Caccia

Stubby Stubblefield

Milton C. Jones

Phil Pardee

Paul Bost

Myron Stevens