00305nam a22001217a 450000500170000002000220001703500130003903700130005224500400006525000140010526000440011930000200016320120316153137.0  a8170580099c00.00  aA-415701  aDPLbENG  aLetters on Yoga /cby Sri Aurobindo  aPart four  aPondicherrybSri Aurobindo Ashramc1988  a1808p.c18 cms.