Collections : [Yale University -Beinecke Rare Book and Manuscript Library]

35 letters, including 1 photocopy, and 5 postcards. Early letters relate to Wolff's experiences in France after fleeing from Italy, his efforts to immigrate, and the political situation. Later letters contain comments about Mayer's collaboration with W. H. Auden.

18 letters and memos, about Pantheon Books and the Bollingen Series, with clippings and copies of letters from Sauerländer

32 letters and memos, from Wolff at Locarno, with copies of many letters from Sauerländer, showing how Wolff ran his business from a distance

11 letters and memos, with copies of letters from Sauerländer

2 autograph letters, signed