Ten Christmas Songs for two violas with Piano Accompaniment: viola duets

Duet arrangements of the following ten Christmas songs for two Violas with Piano Accompaniment (full scores and parts are provided):

Angels We Have Heard on High
Away in a Manger
God Rest You, Merry Gentlemen
Hark, The Herald Angels Sing
In The Bleak Midwinter
It Came Upon The Midnight Clear
O Come All Ye Faithful
O Little Town of Bethlehem
Silent Night
We Three Kings