Uniterm system of indexing operating manual. 

 - Washington DC:  Documentation incorporated,   1955 
 - 47p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating manual 
<br/><br/><label>Subjects--Index Terms: </label>Manual Uniterm Vocabulary 
<br/><br/><label>Universal Decimal Class. No.: </label>D 001.815   / J5.1