Scholar's book of useful information 

 - London:   George G Harrap & Co. Ltd,   1968 
 - 129p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Book
<br/><br/><label>Subjects--Index Terms: </label>Information 
<br/><br/><label>Universal Decimal Class. No.: </label>R 058  / K8