Columbia subject headings:
Composers--Russia--Correspondence.
Meck, Nadezhda Filaretovna von, 1831-1894--Correspondence.
Tchaikovsky, Peter Ilich, 1840-1893--Correspondence.
Harvard subject headings:
Composers--Russia--Correspondence
Meck, Nadezhda Filaretovna von, 1831-1894--Correspondence.
Tchaikovsky, Peter Ilich, 1840-1893--Correspondence.
Princeton subject headings:
Benefactors--Russia--Correspondence.
Composers--Russia--Correspondence.
Meck, Nadezhda Filaretovna von, 1831-1894--Correspondence.
Tchaikovsky, Peter Ilich, 1840-1893--Correspondence.