उपनिषद् <br/><br/>
प्रश्नोपनिषद् [mss.] 

 - Pennsylvania  Institute for Advanced Studies of World Religions. 
 - 7fols.  positive  10.5cm.x15cm. 
<br/><br/> Sans/Devangari-Paper-microfiche-Coll.:IASWR,Pennsylvania