O happy eyes, composer Edward Elgar (London: Novello and Bell Co Ltd.), n.d. Box 141-231 (MUS RVL) Unit ID: 218 Date: n.d.
Oh lawd, I'm on my way, Porgy and Bess, composer George Gershwin, lyricists DuBose Heyward and Ira Gershwin (New York: Gershwin Publishing Co Ltd.), n.d. Box 232-312 (MUS RVL) Unit ID: 247 Date: n.d.
Oh where, tell me where?, arranger Hugh S. Roberton (London: J. Curwen and Sons Lt.), n.d. Box 313-385 (MUS RVL) Unit ID: 323 Date: n.d.
O Jesus, Sweet Child, arranger C.F. Simkins (England: E.H. Freeman Ltd), 1957 Box 1-140 (MUS RVL) Unit ID: 33 Date: 1957
O Jesus, sweet child, arranger C. F. Simkins (London: E. Freeman Ltd.), n.d. Box 313-385 (MUS RVL) Unit ID: 345 Date: n.d.
Oklahoma, lyricist Oscar Hammerstein, composer Richard Rodgers (London: Chappell and Co Ltd.), n.d. Box 313-385 (MUS RVL) Unit ID: 330 Date: n.d.
Old Father Thames, lyricist Raymond Wallace, composer Betsy O'Hogan (Lawrence Wright Music Co, Ltd.), n.d. Box 232-312 (MUS RVL) Unit ID: 303 Date: n.d.
O little one sweet, composer Scheidt's Tabulaturbuch, lyricist Oxford Carol Book (London: Novello and Co Ltd.), n.d. Box 313-385 (MUS RVL) Unit ID: 335 Date: n.d.