TY  - BOOK
AU  - Aurobindo
TI  - Letters on yoga : : part two and part three 
SN  - 8170580080
U1  - 181.432 
PY  - 1970///
CY  - Pondichery
PB  - Sri Aurobindo Ashram 
KW  - Yoga -- Sadhna
KW  - Sadhna -- Love and devotion
ER  -