| Fuente consultada |
Chopin, an index of his works in chronological order, Maurice J. E. Brown, 1972
Katalog dziel Fryderyka Chopina, J.M. Chominski, T.D. Turlo, 1990
The New Grove of Music and Musicians, Macmillan, 2002
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| Información encontrada |
(CT 211; Walc, as-dur, op. 42; piano; Komp.: 1840)
(B. 131; op. 42; Waltz, Ab, 1840 (1840); P. ix)
p. 134 (B. 131; Waltz in A flat major, op. 42. Spring 1840)
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