Columbia subject headings:
Baader, Franz von, 1765-1841.
Hemsterhuis, François, 1721-1790.
Idealism, German.
Matter--Philosophy--History.
Philosophy of nature--History--18th century.
Philosophy of nature--History--19th century.
Romanticism--France.
Romanticism--Germany.
Harvard subject headings:
Baader, Franz von, 1765-1841
Idealism, German.
Matter--Philosophy--History.
Philosophy of nature--History--18th century.
Philosophy of nature--History--19th century.
Romanticism--France
Romanticism--Germany
Princeton subject headings:
Baader, Franz von, 1765-1841.
Hemsterhuis, François, 1721-1790.
Idealism, German.
Matter--Philosophy--History.
Philosophy of nature--History--18th century.
Philosophy of nature--History--19th century.
Romanticism--France.
Romanticism--Germany.