Columbia subject headings:
Antisemitism--Germany--History--19th century.
Communism and intellectuals--History--19th century.
Communism and society--History--19th century.
Communism--History--19th century.
Marx, Karl, 1818-1883.
Harvard subject headings:
Antisemitism--Germany--History--19th century
Communism and intellectuals--History--19th century.
Communism and society--History--19th century.
Communism--History--19th century
Marx, Karl, 1818-1883
Princeton subject headings:
Antisemitism--Germany--History--19th century.
Communism and intellectuals--History--19th century.
Communism and society--History--19th century.
Communism--History--19th century.
Marx, Karl, 1818-1883.