Columbia subject headings:
Harvard subject headings:
Political science--Philosophy--History--17th century--Congresses.
Spinoza, Benedictus de, 1632-1677--Political and social views--Congresses.
Spinoza, Benedictus de, 1632-1677. Tractatus politicus--Congresses.
Princeton subject headings:
Political science--Congresses.
Spinoza, Benedictus de, 1632-1677. Tractatus politicus--Congresses.