Columbia subject headings:
Harvard subject headings:
Philosophy, German--18th century.
Philosophy, German--19th century.
Schopenhauer, Arthur, 1788-1860--Criticism and interpretation.
Schopenhauer, Arthur, 1788-1860--Handbooks, manuals, etc.
Princeton subject headings:
Schopenhauer, Arthur, 1788-1860--Criticism and interpretation.
Schopenhauer, Arthur, 1788-1860--Handbooks, manuals, etc.