Columbia subject headings:
Harvard subject headings:
Aeronautics, Commercial--France--History
Compagnie générale aéropostale--History.
Industrialists--France--Correspondence.
Latécoère, Pierre-Georges--Correspondence.
Princeton subject headings:
Aeronautics, Commercial--France--Correspondence.
Compagnie générale aéropostale--History.
Industrialists--France--Correspondence.
Latécoère, Pierre-Georges--Correspondence.