Columbia subject headings:
Harvard subject headings:
Knowledge, Theory of--History--19th century
Knowledge, Theory of--History--20th century
Metaphysics--History--19th century.
Metaphysics--History--20th century
Nihilism (Philosophy)--History.
Princeton subject headings:
Knowledge, Theory of--History--19th century.
Knowledge, Theory of--History--20th century.
Metaphysics--History--19th century.
Metaphysics--History--20th century.
Nihilism (Philosophy)--History.