Clara Schumann, dedication to Piano Sonata in G Minor (1841); see https://imslp.org/wiki/Piano_Sonata_in_G_minor_(Schumann,_Clara).
777
Clara Schumann, diary entries (June 1870).
778
Clara Schumann, letter to Johannes Brahms from Brussels (5 May 1870), in Berthold Litzmann (ed.), Letters of Clara Schumann and Johannes Brahms, 1853–1896 (New York: Longmans, Green and Co., 1927), p. 244.
