E.1-E.2: Copies of lecture or course handouts for students, 1942-1951, n.d. E.3-E.5: Manuscript and typescript notes and drafts for various lectures, c.1957-c.1971, n.d. Most sets of notes have titles. At E.3 are a page inscribed '1957' and three sets of notes which appear to relate to a card containing a list of lecture titles dated 1962. A few photographs are included at E.4. E.6: Letters (invitations and acceptance) regarding proposed lectures by Abraham in early…