Columbia subject headings:
Lord's Supper (Canon law)
Lord's Supper (Canon law, Oriental)
Lord's Supper--History.
Mass (Canon law)
Harvard subject headings:
Lord's Supper (Canon Law)--Oriental Catholic churches.
Lord's Supper (Canon law)
Lord's Supper (Canon law)--History.
Lord's Supper--History
Lord's supper (Canon law, Oriental)
Mass (Canon law)
Princeton subject headings: