Columbia subject headings:
Ethics--Early works to 1800.
Spinoza, Benedictus de, 1632-1677. Ethica.
Harvard subject headings:
Ethics--Early works to 1800
Ethics.
Spinoza, Benedictus de, 1632-1677. Ethica.
Princeton subject headings:
Ethics--Early works to 1800.
Spinoza, Benedictus de, 1632-1677. Ethica.