Columbia subject headings:
Latin language--Influence.
Slavic languages--Foreign elements--Latin.
Slavic languages--Foreign influences--Latin.
Harvard subject headings:
Church Slavic language--Foreign elements--Latin--Congresses.
Latin language--Influence--Congresses.
Latin--Influence on Church Slavic--Congresses.
Latin--Influence on Slavic--Congresses.
Slavic languages--Foreign elements--Latin--Congresses.
Princeton subject headings: