Columbia subject headings:
Harvard subject headings:
Catholic Church--Foreign relations--Poland--History.
Lagrange d'Arquien, Henri de, 1613-1707.
Langrange d'Arquien, Henri de, 1613-1707--Correspondence.
Poland--Foreign relations--Catholic Church--History.
Princeton subject headings:
Catholic Church--Foreign relations--Poland--History.
Lagrange d'Arquien, Henri de, 1613-1707.
Langrange d'Arquien, Henri de, 1613-1707--Correspondence.
Poland--Foreign relations--Catholic Church--History.