Library statistics:   a handbook of concepts, definitions, and terminology / 

 - Chicago :  American Library Association ;  1966. 
 - xv, 160 p. :  ill. ;  17 cm. 
<br/><br/>including index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library statistics
<br/><br/><label>Dewey Class. No.: </label>020  / AML 1966