Columbia subject headings:
Berkeley, George, 1685-1753--Criticism and interpretation.
Kant, Immanuel, 1724-1804--Criticism and interpretation.
Locke, John, 1632-1704--Criticism and interpretation.
Naturalism.
Harvard subject headings:
Berkeley, George, 1685-1753.
Kant, Immanuel, 1724-1804
Locke, John, 1632-1704
Naturalism.
Philosophy, Modern.
Princeton subject headings: