Columbia subject headings:
Harvard subject headings:
Philosophy
Philosophy, Modern
Schopenhauer, Arthur, 1788-1860--Archives.
Schopenhauer, Arthur, 1788-1860--Notebooks, sketchbooks, etc.
Princeton subject headings:
Philosophy, Modern.
Philosophy.
Schopenhauer, Arthur, 1788-1860--Archives.
Schopenhauer, Arthur, 1788-1860--Notebooks, sketchbooks, etc.