Advent for December 18:

• O Adonai, et Dux domus Israel, qui Moysi in igne flammæ rubi apparuisti, et ei in Sina legem dedisti: veni ad redimendum nos in brachio extento.

• O Adonai, and Ruler of the house of Israel, Who didst appear unto Moses in the burning bush, and gavest him the law in Sinai, come to redeem us with an outstretched arm!.

• O Come O Come Emmanuel: Veni, veni, Adonai, qui populo in Sinai legem dedisti vertice in maiestate gloriae. Gaude, gaude Emmanuel nascetur pro te, Israel.

• O come, o come, Thou Lord of might,
  who to thy tribes on Sinai's height
  in ancient times did give the law,
  in cloud, and majesty, and awe.
  Rejoice! Rejoice!
  Emmanuel shall come to thee, O Israel!

Saints for Dec. 18 in the St. James calendar include Winebald (761), the English monk who ended up evangelizing in Bavaria. He was brother of Saints Wilibald and Walburga. He and his brother labored in Eichstatt and Frisia. He studied in Rome for seven years and was invited by St. Boniface to work among the pagans.