Columbia subject headings:
Apollinaire, Guillaume, 1880-1918--Correspondence.
Artists--France--Correspondence.
Picasso, Pablo, 1881-1973--Correspondence.
Poets, French--20th century--Correspondence.
Harvard subject headings:
Apollinaire, Guillaume, 1880-1918. Correspondence
Painters--France--Correspondence.
Picasso, Pablo, 1881-1973--Correspondence.
Poets, French--20th century--Correspondence
Princeton subject headings:
Apollinaire, Guillaume, 1880-1918. Correspondence.
Art and literature.
Painters--France--Correspondence.
Picasso, Pablo, 1881-1973--Correspondence.
Poets, French--20th century--Correspondence.