Columbia subject headings:
Eckardt-Lederer, Gertrude von, 1895-1987--Correspondence.
Gundolf, Elisabeth, 1893-1958--Correspondence.
Gundolf, Friedrich, 1880-1931--Correspondence.
Harvard subject headings:
Authors, Austrian--20th century--Correspondence
Authors, German--20th century--Correspondence
Authors, German--Correspondence
Eckardt-Lederer, Gertrude von, 1895-1987--Correspondence.
Eckardt-Lederer, Gertrude von--Correspondence.
Gundolf, Elisabeth, 1893-1958--Correspondence.
Gundolf, Friedrich, 1880-1931--Correspondence.
Princeton subject headings:
Authors, Austrian--20th century--Correspondence.
Authors, German--20th century--Correspondence.
Eckardt-Lederer, Gertrude von, 1895-1987--Correspondence.