Columbia subject headings:
Spain--Congresses.
Spinoza, Benedictus de, 1632-1677--Congresses.
Harvard subject headings:
Spain--Congresses.
Spinoza, Benedictus de, 1632-1677--Congresses.
Princeton subject headings:
Spinoza, Benedictus de, 1632-1677--Appreciation--Spain--Congresses.
Spinoza, Benedictus de, 1632-1677--Congresses.