Batty, C. D. <br/><br/>
An introduction to the seventeenth edition of the Dewey decimal classification 
C. D. Batty 
 - London  Clive Bingley  1967 
 - 103 p. ; 23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey decimal--Programmed instruction