Columbia subject headings:
Artists--Germany--Correspondence.
Vordemberge-Gildewart, Friedrich, 1899-1962--Correspondence.
Harvard subject headings:
Artists--Germany--Correspondence.
Vordemberge Leda, Ilse--Correspondence.
Vordemberge-Gildewart, Friedrich, 1899-1962--Correspondence.
Princeton subject headings:
Artists--Germany--Correspondence.
Vordemberge-Gildewart, Friedrich, 1899-1962--Correspondence.