Manuel de Falla y El "Cante Jondo" (1962, 1998) at 209-226 [Byzantine liturgical at 209-210; Arabic, Moorish at 210-211, 225-226; Gypsies of India at 211-216];
Pretzels. CERC. [16 May 2012]. (原始内容存档于2021-03-04) (英语). Catholic Culture : Liturgical Year : Pretzels for God: Lent and the Pretzel (Activity). Web.archive