The third carol contained in the octavo Three Latvian Carols by Andrejs Jansons. The other carols in this octavo are Ziemassvetku nakts (Christmas night) and Mekletaja cels (The Christmas Rose). Although the carols are in Latvian, there is also a singable English translation.
There is also a 2nd set of these carols: Three Latvian Carols, Set II. Pronunciation CDs are available for all carols.