The Kathaka upanishad. 

 - [1st ed.] 
 -  [1962] 
 - 34, 155 p.  22 cm. 
<br/><br/> In Sanskrit; pref. and introd. in English. 
<br/><br/><label>LCCN: </label>sa 65007070  
<br/><br/><label>Subjects--Personal Names: </label><br/>Śaṅkarācārya.
<br/><br/><label>LC Class. No.: </label>PK3521  / .K3 1962