1910 Simplex Model 50 Touring by Holbrook
1911 Simplex Model 50 4-passenger Tourabout
1912 Simplex Model 50 Roadster by Holbrook
1912–13 Simplex Model 50 5-passenger Touring by J.M. Quimby & Co
Simplex 38 HP Double Roadster '1912
Simplex 38 HP Touring by Holbrook '1913