Columbia subject headings:
Mohyla, Petro, Metropolitan of Kyïv and Halych, 1597-1647--Influence--Congresses.
Ukraine--Church history--17th century.
Ukraïnsʹka pravoslavna t͡serkva--History--17th century.
Harvard subject headings:
Mohyla, Petro, Metropolitan of Kyïv and Halych, 1597-1647--Congresses.
Ukraine--Church history--17th century--Congresses.
Ukraïnsʹka pravoslavna t͡serkva--History--17th century--Congresses.
Princeton subject headings:
Mohyla, Petro, Metropolitan of Kyïv and Halych, 1597-1647--Congresses.
Ukraine--Church history--Congresses.