Chopin's letters;
collected by Henryk Opieński; translated from the original Polish and French, with a preface and editorial notes, by E. L. Voynich ...
APA Citation
Chopin, F., Opieński, H., Voynich, E. L. (Ethel Lilian). (1931). Chopin's letters. New York: A. A. Knopf.
MLA Citation
Chopin, Frédéric, 1810-1849, Henryk Opieński, and E. L. (Ethel Lilian) Voynich. Chopin's Letters. New York: A. A. Knopf, 1931.
Warning: These citations may not always be complete (especially for serials).