Columbia subject headings:
Composers--Denmark--Correspondence.
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907--Correspondence.
Horneman, C. F. E. (Christian Frederik Emil), 1840-1906--Correspondence.
Harvard subject headings:
Composers--Denmark--Correspondence.
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907. Correspondence.
Horneman, C. F. E. (Christian Frederik Emil), 1840-1906--Correspondence.
Princeton subject headings:
Composers--Denmark--Correspondence.
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907. Correspondence.
Horneman, C. F. E. (Christian Frederik Emil), 1840-1906--Correspondence.