Shastri, Acharya Sri Guru Prasad  <br/><br/>
Patanjali Mahabhasyam. Adhyaya: 1,2: Nawahnika Rahita. Vol: 2nd. 

 - 2nd Edition 
 - Varanasi  Vani Vilas Prakashan&c1987 
 - 854 
<br/><br/><label>Dewey Class. No.: </label>242  / SHA/P