MCCONATHY, OSBOURNE. Junior band course of the Ditson School and community band series. Prepared by Osbourne McConathy, Russell V. Morgan and Harry F. Clarke. Book. 3. E flat clarinets and oboes. © 10Jun30; AA43875. Osbourne William McConathy (C); Mrs. Russell V. Morgan (W), Harry F. Clarke (A); 12Jul57; R195665.