Columbia subject headings:
Mysterion (The Greek word)
Sacraments (Liturgy)
Sacraments--Catholic Church.
Sacramentum (The Latin word)
Harvard subject headings:
Mysterion (The Greek word)
Sacraments (Liturgy)
Sacraments--Catholic Church
Sacramentum (The Latin word)
Princeton subject headings:
Mysterion (The Greek word)
Sacraments--Catholic Church.
Sacraments--History of doctrines--Early church, ca. 30-600.
Sacramentum (The Latin word)
Scramental character.