Includes: photocopy of typescript draft introduction by Esther Potter; correspondence, 1966-1970; proof copies annotated in comparison with other copies of Thesauro dee Scrittori 1535 by Newberry Library (James Wells), Harvard University Library (Philip Hofer), and the Bibliotheque Nationale (Mme J. Veyrin-Forrer); and 'proof made up as single gathering as original'.