Columbia subject headings:
Kinkel, Gottfried, 1815-1882.
Meyer, Conrad Ferdinand, 1825-1898.
Harvard subject headings:
Kinkel, Gottfried, 1815-1882.
Meyer, Conrad Ferdinand, 1825-1898.
Princeton subject headings:
Kinkel, Gottfried, 1815-1882.
Meyer, Conrad Ferdinand, 1825-1898.