Columbia subject headings:
Harvard subject headings:
Authors, German--Correspondence
Betzner, Anton--Correspondence.
Döblin, Alfred, 1878-1957--Correspondence.
Novelists, German--Correspondence.
Princeton subject headings:
Döblin, Alfred, 1878-1957--Correspondence.
Döblin, Alfred, 1878-1957--Homes and haunts--France--Sarreguemines.
Döblin, Alfred, 1878-1957--Homes and haunts--Germany--Saarland.