Columbia subject headings:
Adorno, Theodor W., 1903-1969--Correspondence.
Doflein, Erich, 1900-1977--Correspondence.
Musicologists--Germany--Correspondence.
Philosophers, Modern--Germany--Correspondence.
Harvard subject headings:
Adorno, Theodor W., 1903-1969. Correspondence. Selections. English
Doflein, Erich, 1900-1977--Correspondence.
Musicologists--Germany--Correspondence.
Philosophers, Modern--Germany--Correspondence.
Princeton subject headings:
Adorno, Theodor W., 1903-1969--Correspondence.
Doflein, Erich, 1900-1977--Correspondence.