22 Typed letter(s) signed by the author, 1 Typed letter(s) signed by the author with Typescript(photocopy) enclosure; 4 Autograph letter(s) S.; 26 Typed letter(s) lacking signature
2 Typed letter(s) signed by the author with typescript (p.c.) enclosures, 5 Typed letter(s) lacking signature, 1 Typed letter(s) signed by the author, 3 Autograph letter(s) S.