 He was in some financial difficulty as an exile in Washington until Archibald MacLeish, the director of the Library of Congress and himself a poet, raised enough private donations to enable the library to employ him until his official retirement from the French civil service in 1947.He declined a teaching position at Harvard University.During his American exile, he wrote his long poems "Exil", "Vents", "Pluies", "Neiges", "Amers", and "Chroniques".