Tyson 1963, pp. 184–185. Tyson, Alan (1963). "Maurice Schlesinger as a Publisher of Beethoven, 1822–1827". Acta Musicologica. 35 (4). International Musicological Society: 182–191. doi:10.2307/932536. JSTOR932536.
Tyson 1963, pp. 184–185. Tyson, Alan (1963). "Maurice Schlesinger as a Publisher of Beethoven, 1822–1827". Acta Musicologica. 35 (4). International Musicological Society: 182–191. doi:10.2307/932536. JSTOR932536.