ig raph ical ▁Studies ▁across ▁the ▁state . ▁His ▁knowledge ▁of ▁H ale g ann ada ▁helped ▁him ▁de ci pher ▁much ▁of ▁these ▁ins cri ptions . ▁He ▁delivered ▁numerous ▁lect ures ▁on ▁the ▁Mys ore ▁Ak ash v ani ▁( l ater ▁All ▁India ▁Radio ). ▁His ▁publication ▁titled ▁" P ī ṭ h ik ega ḷ u , ▁l ē k han aga ḷ u " ▁was ▁a ▁comp end ium ▁of ▁his ▁earlier ▁ess ays ▁and ▁lect ures ▁sp anning ▁three ▁dec ades . ▁ ▁Selected ▁works ▁ ▁Books ▁ ▁Nar as im h ach ar , ▁D . ▁L .: ▁" H am pe ya ▁H ari h ara " ▁( 1 9 3 9 ) ▁ ▁Nar as im h ach ar , ▁D . ▁L .: ▁" Sh ab da ▁V ih ara " ▁( 1 9 5 6 ) ▁ ▁Nar as im h ach ar , ▁D . ▁L .: ▁" Ś iv ak ō ty ā c ā ry a ▁vi rac ita ▁Va ḍ ḍ ā r ā dh ane " ▁( 1 9 5 9 ) ▁ ▁Nar as im h ach ar , ▁D . ▁L .: ▁" K ann ada ▁Gran tha ▁S amp ad ane " ▁( 1 9 6 4 ) ▁ ▁Nar as im h ach ar , ▁D . ▁L .: ▁" G ō v ina ▁h ā ḍ u " ▁( 1 9 6 7 ) ▁ ▁Nar as im h ach ar ,