Columbia subject headings:
Mendelssohn-Bartholdy, Felix, 1809-1847.
Schumann, Robert, 1810-1856.
Harvard subject headings:
Mendelssohn-Bartholdy, Felix, 1809-1847
Schumann, Robert, 1810-1856.
Princeton subject headings:
Mendelssohn-Bartholdy, Felix, 1809-1847.
Schumann, Robert, 1810-1856.