Columbia subject headings:
Composers--Germany--Correspondence.
Hensel, Fanny Mendelssohn, 1805-1847.
Mendelssohn-Bartholdy, Felix, 1809-1847.
Harvard subject headings:
Composers--Germany--Correspondence
Hensel, Fanny Mendelssohn, 1805-1847
Mendelssohn-Bartholdy, Felix, 1809-1847
Princeton subject headings:
Composers--Germany--Correspondence.
Hensel, Fanny Mendelssohn, 1805-1847.
Mendelssohn-Bartholdy, Felix, 1809-1847.