Here are entered musical compositions, including Masses for mixed voices and collections of Masses for various groups of voices (men's, mixed, women's, etc.). Works about musical settings of the Mass are entered under Mass (Music).
Communion service music -- Scores. / https://id.loc.gov/authorities/subjects/sh85029118 https://id.loc.gov/authorities/subjects/sh99001779 : Stanford, Charles Villiers,