MCCONATHY, OSBOURNE.
The music hour in the kindergarten and first grade. By Osbourne McConathy, W. Otto Miessner, Edward Bailey Birge & Mabel E. Bray. Enl. ed.
MCCONATHY, OSBOURNE. The music hour in the kindergarten and first grade. By Osbourne McConathy, W. Otto Miessner, Edward Bailey Birge & Mabel E. Bray. Enl. ed. © 20Sep38; A120755. John V. Brinkerhoff (E of the Estate of Osbourne McConathy); 18Feb66; R380504.
John V. Brinkerhoff|E of the Estate of Osbourne McConathy