Grolier, Eric De <br/><br/>
A study of general catagories applicable to classificatio and coding in documentation 

 - Paris  Unesco  1962 
 - 248p. p. 
<br/><br/><label>Subjects--Index Terms: </label>Classification - Library Science 
<br/><br/><label>LC Class. No.: </label>2:51  /  K2 
<br/><br/><label>Dewey Class. No.: </label>025.4  / GRO.E