Columbia subject headings:
C.F. Peters (Firm)
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907--Correspondence.
Harvard subject headings:
C.F. Peters (Firm)
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907. Correspondence
Princeton subject headings:
C.F. Peters (Firm)
Composers--Norway--Correspondence.
Grieg, Edvard, 1843-1907. Correspondence.