注释
1. Michael Alan Anderson, Symbols of Saints: Theology, ritual, and kinship in music for John the Baptist and St. Anne (1175–1563) The University of Chicago, UMI / ProQuest Dissertations Publishing, Ann Arbor 2008, pp. 42–46, ISBN 978-0-54956551-2.
2. 更多学者的反对意见,见维基百科:[Christmas]https://en.wikipedia.org/wiki/Christmas