ZIMMERMAN

1911 11 8 IND Zimmerman Zimmerman Mfg. Co. Auburn, Indiana page 44
1911 12 20 ZIMMERMAN Zimmerman Mfg. Co. Auburn, Indiana page 50
1911 12 27 ZIMMERMAN Zimmerman Mfg. Co. Auburn, Indiana page 56
1911 12 6 ZIMMERMAN Zimmerman Mfg. Co. Auburn, Indiana page 66
1911 8 17 ZIMMERMAN 4-Cylinder 40 Horsepower Zimmerman Mfg. Co. Auburn, Indiana MOTOR AGE Aug 17, 1911 8.25″x11.75″ page 183
ZIMMERMAN Zimmerman Mfg. Co. Auburn, Indiana ENCYCLOPEDIA OF MOTOR CARS 1885 to the Present Edited by G.N. Georgano pages 680 & 681
ZIMMERMAN Zimmerman Mfg. Co. Auburn, Indiana Standard Catalog of American Cars page 1582