Here are my third 20 with answers:

41       All the trees like mages come Bending low with 'Gloria!'      
Carol of the Fir Tree (Alfred Noyes)

42       In the blue ranges lorikeets calling      
Carol of the Birds (Wheeler & James, Australian)

43       Suddenly the Lord, descending, In His temple shall appear      
Angels from the Realms of Glory

44       But Thy couch was the sod, O Thou Son of God      
Thou Didst Leave Thy Throne

45       And there it did both stop and stay, Right over the place      
The First Noel/Nowell

46       Every hearth is aflame, and the beautiful sing      
There's a Song in the Air

47       Or all of God's angels in heaven for to sing      
I Wonder as I Wander

48       Lo! for his guard, the bright angels attend      
Hail the/thou blest morn

49       All glory be in Paradise, this heavenly host did sing      
A Child this day is born

50       We beheld it (it is no fable), God incarnate, King of bliss
Shepherds in the/our Field(s) Abiding (Woodward's version of "Angels We Have Heard on High")

51       You'll forget your flocks, you'll forget your herds      
Rise Up, Shepherd, and Follow

52       Shall I stand and weep? Be it far Jehovah!      
Sleep, My Little Jesus

53       The Thorn it blooms with golden flowers, And Kissing's fashion now      
A Wreath for Christmas (Agatha Christie)

54       O siano, siano, siano jak lilija      
Śliczna Panienka (Carol of the Hay, Polish)

55       A barn shall harbor heaven, A stall become a shrine.      
A Stable Lamp Is Lighted

56       Over that bed the moon shines bright      
Down in Yon Forest (English version)

57       Deeply were we stainèd Per nostra crimina:      
In Dulci Jubilo (Oxford Book of Carols version/Percy Dearmer)

58       The tender Babe was found, A ragged robe of rabbit skin      
'Twas in the Moon of Wintertime (Huron Carol)

59       Christ comes as a baby weak and poor      
Awake, Awake, and Greet the New Morn

60       In Bethlehem blest this baby of bliss will be Born here before you      
Chariots (Kirkpatrick)