Gregory, Ruth W.  1910- <br/><br/>
Public libraries in cooperative systems  administrative patterns for service 
Ruth W. Gregory and Lester L. Stoffel 
 - Chicago  American Library Association  1971 
 - viii, 315 p.  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0838901107  USD 9.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public libraries--United States<br/>Library cooperation--United States
<br/><br/><label>Dewey Class. No.: </label>025