Columbia subject headings:
Harvard subject headings:
Blum, Robert, 1807-1848--Correspondence.
Blum, Robert, 1807-1848--Political and social views.
Blum, Robert, 1807-1848.
Politicians--Germany--Biography
Revolutionaries--Germany--Biography
Princeton subject headings:
Blum, Robert, 1807-1848--Correspondence.
Blum, Robert, 1807-1848--Drama.
Blum, Robert, 1807-1848--Political and social views.
Blum, Robert, 1807-1848.
Drama.
Revolutionaries--Germany--Biography.