Columbia subject headings:
Mendelssohn-Bartholdy, Felix, 1809-1847--Congresses.
Harvard subject headings:
Mendelssohn-Bartholdy, Felix, 1809-1847--Congresses.
Mendelssohn-Bartholdy, Felix, 1809-1847--Criticism and interpretation--Congresses.
Princeton subject headings:
Mendelssohn-Bartholdy, Felix, 1809-1847--Criticism and interpretation--Congresses.