Columbia subject headings:
Catholic Church--Europe, German-speaking--Liturgy--Bibliography.
Catholic Church--Europe, German-speaking--Liturgy.
Europe, German-speaking--Church history.
Missals--Bibliography.
Missals--Translations into German.
Missals--Translations.
Harvard subject headings:
Catholic Church--Europe, German-speaking--Liturgy--Bibliography.
Europe, German-speaking--Church history.
Missals--Bibliography.
Missals--Translations into German.
Missals.
Princeton subject headings: