Polk, Ralph W. <br/><br/>
The practice of printing  : lette press and offset 
Ralph W. Polk and Edwin W. Polk 
 - Peoria, Illinois:  Chas. A. Bennett,  1964. 
 - 328p. 
<br/><br/> includes index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Offset printing
<br/><br/><label>Dewey Class. No.: </label>686.231  / POP