Columbia subject headings:
Catholic Church. Codex Juris Canonici. C. 859-861.
Lord's Supper (Canon law)
Lord's Supper--History.
Harvard subject headings:
Catholic Church C. 859-861.--Codex juris canonici.
Catholic Church. C. 859-861.--Codex juris canonici.
Lord's Supper (Canon law)
Lord's Supper--History
Princeton subject headings: