Pierre Félix

Pierre Félix

Luigi Parenti

George Eyston

Emilio Eminente

Brian Lewis

Louis Rigal

Luis Monteiro

Harold Appleyard

Jack Dunfee

Kaye Don

Armstrong Payn

Bummer Scott

Grand Prix de l’A.C.F. – 1931

Wikov 7/28 Sport

Adolf Szczyzycki

Jan Ripper

Hubert Sachel

Stanisław Hołuj

Charly Jellen

Maximilian Hardegg

Grand Prix Miasta Lwowa – 1931

Maserati 26B MM

Itala 61 s/c

Delage D2LCV

Guido Sebastiani

Giuseppe Savi

Alberto Panerai

Giovanni Tabacchi

Reale Premio di Roma – 1931

Alfa Romeo 6C-1500 GS

Alfa Romeo 6C-1500 S

Austin 7

Donnet – Engine

Caban

Donnet

Josef Karrer

Ignazio Consiglio

Sergio Rusca

Guido Avondet

Ciro Basadonna

Edouard Roux

Roberto Serboli

Hans Kessler

Marko (Edgard Markiewicz)

Etiénne Lepicard

Grand Prix de Genève – 1931

Meyrin

Bugatti Rabag T13

Bugatti Type 30

Hans Theisen

August Frings

Friedrich Dilthey

Fritz Kortylewski

Heinz Risse