Columbia subject headings:
Idealism--History.
Philosophy, German--18th century.
Philosophy, German--19th century.
Plato--Influence.
Harvard subject headings:
Idealism--History.
Philosophy, German--18th century.
Philosophy, German--19th century.
Plato--Influence.
Princeton subject headings:
Idealism--History.
Philosophy, German--18th century.
Philosophy, German--19th century.
Plato--Influence.