Columbia subject headings:
Catholic Church--Foreign relations--Romania--Transylvania--Sources.
Diplomats--Italy--Correspondence.
Possevino, Antonio, 1533 or 1534-1611--Correspondence.
Transylvania (Romania)--Foreign relations--Catholic Church--Sources.
Transylvania (Romania)--History--Sources.
Transylvania (Romania)--History.
Harvard subject headings:
Transylvania (Romania)--History.
Princeton subject headings:
Catholic Church--Foreign relations--Romania--Transylvania--Sources.
Diplomats--Italy--Correspondence.
Possevino, Antonio, 1533 or 1534-1611--Correspondence.
Transylvania (Romania)--Foreign relations--Catholic Church--Sources.
Transylvania (Romania)--History--Sources.
Transylvania (Romania)--History.