Columbia subject headings:
Abarca de Bolea, Pedro Pablo, conde de Aranda, 1719-1798--Congresses.
Spain--History--18th century--Congresses.
Harvard subject headings:
Abarca de Bolea, Pedro Pablo, conde de Aranda, 1719-1798--Congresses.
Spain--Civilization--18th century--Congresses.
Princeton subject headings:
Abarca de Bolea, Pedro Pablo, conde de Aranda, 1719-1798--Congresses.
Spain--Civilization--18th century--Congresses.