उपनिषद् संहितोपनिषदविवरण [mss.} शंकराचार्य शंकराचार्य - Pennsylvania Institute for Advanced Studies of World Religions. - 68fols. positive 10.5cm.x15cm. Sans/Devangari-Paper-microfiche-Coll.:IASWR,Pennsylvania.-Ms.contd. in 3 fiches.