Rothstein, Samuel. <br/><br/>
The developments of reference services through academic traditions public library Practice and special librarianship   
by Samuel Rothstein 
 - Chicago  ACRL  1955 
 - vi, 125p. 
 - ACRL Monographs no 14 .
<br/><br/><label>LCCN: </label>52-4228 
<br/><br/><label>Dewey Class. No.: </label>025.52  / N55