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 that Christ was Born (4-898)
On the Mountainside (6-221)
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 Night (6-237)
Once Upon a Starry Night (6-258)
One Bright Star (5-741)
One Child (0-973)
One Small Child (5-414)
One Small Child (6-281)
Over in Bethlehem (4-459)
Oxford Book Of Carols, The (5-065)
Oxford Easy Anthem Book, The (6-246)
Parade of the Wooden Soldiers (5-642)
