Columbia subject headings:
Catholic Church--Foreign relations--Serbia.
Catholic Church--Foreign relations--Yugoslavia.
Catholic Church--Yugoslavia--History--20th century.
Church and state--Catholic Church.
Serbia--Foreign relations--Catholic Church.
Harvard subject headings:
Catholic Church--Foreign relations--Yugoslavia--Serbia.
Serbia--Foreign relations--Catholic Church.
World War, 1914-1918--Territorial questions--Yugoslavia
Princeton subject headings:
Catholic Church--Foreign relations--Serbia.
Catholic Church--Foreign relations--Yugoslavia.
Catholic Church--Yugoslavia--History--20th century.
Church and state--Catholic Church.
Serbia--Foreign relations--Catholic Church.
Yugoslavia--Foreign relations--Catholic Church.