Columbia subject headings:
Catholic Church--Hungary--Hymns--Indexes.
Catholic Church--Hungary--Liturgy--Texts--Indexes.
Gregorian chants--Hungary--Indexes.
Hymns, Latin (Medieval and modern)--Hungary--History and criticism--Indexes.
Hymns, Latin (Medieval and modern)--Hungary--Indexes.
Manuscripts, Latin (Medieval and modern)--Hungary--Indexes.
Harvard subject headings:
Hymns, Latin (Medieval and modern)--Hungary--Bibliography.
Hymns--History and criticism--Hungary.
Princeton subject headings:
Catholic Church--Hungary--Hymns--Indexes.
Catholic Church--Hungary--Liturgy--Texts--Indexes.
Gregorian chants--Hungary--Indexes.
Hymns, Latin (Medieval and modern)--Hungary--History and criticism--Indexes.
Hymns, Latin (Medieval and modern)--Hungary--Indexes.
Hymns.
Indexes.
Manuscripts, Latin (Medieval and modern)--Hungary--Indexes.