Of Course There Is a Santa Clause (1-858)
Oh Star of Bethlehem (0-044)
Oh, How Beautiful the Sky (3-205)
Oh, How Joyfully! (2-079)
On a Clear Winter's Evening (6-380)
On a Frosty Winter's Night (3-923)
On a Morn All Crisp and Cold (6-164)
On Christmas Day (3-008)
On Christmas Night (2-041)
On the Day Before Christmas (and the Day Before That!) (5-952)
On the Day that Christ was Born (4-898)
On the Mountainside (6-221)
On This Day Earth Shall Ring (6-059)
On This Happy Morn (1-671)
On This Holy Night (5-574)
On This Quiet Night (5-575)
Once As I Remember (0-641)
Once in Royal David's City (1-238)
Once in Royal David's City (5-840)
Once in Royal David's City (5-852)
Once On A Frosty Night (4-330)
Once Upon a Manger Still (4-683)
Once Upon a Night (6-237)
Once Upon a Starry Night (6-258)
