См. Sock Siang Thia, ‘The Piano Sonatas of Fanny Hensel and Clara Schumann’ (2011), paper given at the 10th Australasian Piano Pedagogy Conference, Charles Sturt University, Wagga Wagga, Australia. https://www.researchgate.net/publication/298721567_The_Piano_Sonatas_of_Fanny_Hensel_and_Clara_Schumann.
