Sitter, Clara Loewen. <br/><br/>
The vertical file and its alternatives :  a handbook / 
Clara L. Sitter. 
 - Englewood, Colo. :  Libraries Unlimited,  1992. 
 - xv, 256 p. :  ill. 
<br/><br/><label>ISBN: </label>0872879100  
<br/><br/><label>LCCN: </label>93035012     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertical files (Libraries)--Handbooks, manuals, etc.<br/>Library materials--Handbooks, manuals, etc.