Columbia subject headings:
Harvard subject headings:
Authors, French--20th century--Correspondence
Booksellers and bookselling--France--Correspondence.
Diplomats--France--Correspondence
Hoppenot, Henri--Correspondence.
Hoppenot, Hélène--Correspondence.
Monnier, Adrienne--Correspondence.
Princeton subject headings:
Authors, French--20th century--Correspondence.
Booksellers and bookselling--France--Correspondence.
Hoppenot, Henri--Correspondance.
Hoppenot, Hélène--Correspondence.
Monnier, Adrienne--Correspondence.