1 typed manuscript with hand-written notes.; 1 typed manuscript (Russian).; 1 typed manuscript with hand-written amendments and a page of notes.; 1 partially typed and partially hand-written manuscript with hand-written amendments.; 2 pages (1 typed and 1 hand-written).; 1 hand-written legend.; 3 pages of typed and hand-written notes.; 9 mounted photographs and 1 hand-written legend.; 1 hand-written draft.; 1 typed rough draft with hand-written amendments.; 1 reprint, added to file 1978.; 1 piece of correspondence and 1 mounted photograph.; 3 pieces of correspondence and 1 permission to reprint.; 17 pieces of correspondence and questionnaire.; 2 pieces of correspondence.; 2 pieces of correspondence.; 10 pieces of correspondence (1 in Russian).; 1 piece of correspondence.