Gruen, Robert Dietrich, <br/><br/>
A brief history of the Gruen Watch Company / 
Robert Dietrich Gruen. 
 - 31 pages :  illustrations ;  23 cm 
<br/><br/> Reprint of 1950 edition. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Gruen Watch Company.<br/>Gruen Watch Company.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clock and watch makers--History.--United States
<br/><br/><label>Subjects--Index Terms: </label>History USA Watch (general)