Columbia subject headings:
Harvard subject headings:
Spain--History--Napoleonic Conquest, 1808-1813--Congresses.
Spain--History--Napoleonic Conquest, 1808-1813--Sources--Congresses.
Princeton subject headings:
Peninsular War, 1807-1814--Sources--Congresses.
Spain--History--Napoleonic Conquest, 1808-1813--Sources--Congresses.