34 letters to Boris Souvarine, 1946-1964
Selected entries, Archive: Houghton Library, Harvard College
Letters
Selma Weil, various correspondence
Selected entries, Archive: Houghton Library, Harvard College
Trotsky chez Simone Weil. A.MS.
Selected entries, Archive: Houghton Library, Harvard College
6 letters to Gustave Thibon; 1941-1942 and [n.d.]
Selected entries, Archive: Houghton Library, Harvard College
