Columbia subject headings:
Authors, German--20th century--Correspondence.
Borchardt, Rudolf, 1877-1945--Correspondence.
Buber, Martin, 1878-1965--Correspondence.
Buber, Martin, 1878-1965--Interviews.
Philosophers--Germany--Correspondence.
Philosophers--Germany--Interviews.
Theologians--Germany--Correspondence.
Theologians--Germany--Interviews.
Harvard subject headings:
Authors, German--20th century--Correspondence
Borchardt, Rudolf, 1877-1945--Correspondence.
Buber, Martin, 1878-1965--Correspondence.
Buber, Martin, 1878-1965--Interviews.
Philosophers--Germany--Correspondence
Philosophers--Germany--Interviews.
Theologians--Germany--Correspondence
Theologians--Germany--Interviews.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Borchardt, Rudolf, 1877-1945--Correspondence.
Buber, Martin, 1878-1965--Correspondence.
Buber, Martin, 1878-1965--Interviews.
Philosophers--Germany--Correspondence.
Philosophers--Germany--Interviews.
Theologians--Germany--Correspondence.
Theologians--Germany--Interviews.