The Gupta Vidya / 
Raghavan Narasimhan Iyer. 
 - 1st ed. 
 - Norfolk, VA :    Theosophy Trust Books,  2020. 
 - vol. ;  25 cm. 
 - 141 (NLA) .
<br/><br/> Includes index. 
<br/><br/> God, nature and man  Vol. 1. (2020 ; 733 pages)  The golden thread  Vol. 2. (2020 ; 800 pages)  The pilgrime of humanity  Vol. 3. (2020 ; 826 pages) 
<br/><br/><label>ISBN: </label>9781733465007 (vol. 1) 9781733465014 (vol. 2) 9781733465021 (vol. 3) 
<br/><br/><label>Universal Decimal Class. No.: </label>141 (NLA)