Below are a few scores that Lyricora has edited for their purposes:
Bethlehem - William Billings
O Jesulein Süß, O Jesulein Mild - Samuel Scheidt/J.S. Bach
This compilation juxtaposes two settings of the same text by two German masters.
Shiloh - William Billings
Stille Nacht - Franz Xavier Gruber, arr. Paul Crompton
Verbum Caro Factum Est - Hans Leo Hassler, arr. Dan Schmunk
Double Choir: SSAA, TTBB