Columbia subject headings:
Jacob, Max, 1876-1944--Correspondence.
Poets, French--20th century--Correspondence.
Villard, René, 1875-1940.
Harvard subject headings:
Jacob, Max, 1876-1944--Correspondence.
Poets, French--20th century--Correspondence
Villard, René, 1875-1940.
Princeton subject headings:
Jacob, Max, 1876-1944. Correspondence. Selections
Poets, French--20th century--Correspondence.
Villard, René, 1875-1940.