Columbia subject headings:
Harvard subject headings:
Beyer, Frants, 1851-1918--Correspondence.
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907. Correspondence
Princeton subject headings:
Beyer, Frants, 1851-1918--Correspondence.
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907. Correspondence.