Tchaikovsky P.I. Correspondence with N.F. von Meck. Volume II. 1879-1881 and Volume III. 1882-1890 In Russian (ask us if in doubt)/Chaykovskiy P.I. Perepiska s N.F. fon Mekk. Tom II. 1879-1881 i Tom III. 1882-1890 gg. Introductory article by B.S. Przybyshevsky. Editing and notes by V.A. Zhdanov and N.T. Zhegin. M-L. Academia. 1935-1936. 680 p. SKUalbdae71af19ec0117b.