Gregory, Ruth W. (Ruth Wilhelme), 1910- <br/><br/>
Public libraries in cooperative systems  administrative patterns for service 
Ruth W. Gregory and Lester L. Stoffel 
 - Chicago, Ill.  American Library Association  1971 
 - viii, 315 p. ; 25 cm. 
<br/><br/>Bibliography: p. 303-306. 
<br/><br/><label>ISBN: </label>0838901107 
<br/><br/><label>LCCN: </label>78-172295 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public libraries--United States<br/>Library cooperation--United States