A hand-written correspondence in German on the back-sided of Professor Hoffmann’s advanced composition color key typed in English, 8 ½ x 11”; A hand-written two-sided page and a single side page with notes and drawings in pencil, numbered 1-3 top center, all pages 8 ½ x 11”; Three single-side pages with notes and drawings on note pad pages, 6 ¼ x 4 ¼”, one with loss upper right corner; A 1954 hand-written Christmas and New Year’s note, signed and dated, with original envelope addressed to Norman Lapworth of Los Angeles, with hand signed return address in pen, 3 x 4”. We would like to thank Mr. James Yohe of Ameringer McEnery Yohe New York for his review and analysis of these documents. (7)