| Category XX: Zunz Letters | Contents | Box/Folder # |
| (4a-7) – (German) – (Xerox) | 8 articles | 11/327 |
| (4a8-16) – (German) – (Xerox) | 9 articles | 11/328 |
| (4a17-25, 27) – (German) – (Xerox) | 10 articles | 11/329 |
| (4a28-33, 35-39) – (German) – (Xerox) | 11 articles | 11/330 |
| (4a40-51) – (German) – (Xerox) | 12 articles | 11/331 |
| (4a52-60, 62-65) – (German) – (Xerox) | 13 articles | 11/332 |
| (4a66-74{?}, 76-77{?}) – (German) – (Xerox) | 9 articles | 11/333 |
| (5a11-12) – (German) – (Xerox) | 2 articles | 11/334 |
| (5b-single sheets) – (German) – (Xerox) | 9 articles | 11/335 |
| (5b4-14) – (German) – (Xerox) | 11 articles | 11/336 |
| (5b15-26) – (German) – (Xerox) | 12 articles | 11/337 |
| (5b27-47) – (German) – (Xerox) | 11 articles | 11/338 |
| (5c1-2, 4-9, 45, 13, 92, 14/6, 18-19c?) – (German) – (Xerox) | 10 articles | 11/339 |
| (5c20, 22-24, 3, 28-29, 32-33, 37-38, 68) – (German) – (Xerox) | 9 articles | 11/340 |
| (5c39-42, 44, 46, 48-49, 51-58) – (German) – (Xerox) | 15 articles | 11/341 |
| (5c59-61, 63-67, 69-70) – (German) – (Xerox) | 10 articles | 11/342 |
| (5c71-80) – (German) – (Xerox) | 10 articles | 11/343 |
| (5c81, 84, 35-56, 87-89, 91, 5d13, 93-95) – (German) – (Xerox) | 9 articles | 11/344 |
| (5c96-100) – (German) – (Xerox) | 5 articles | 11/345 |
| (5c101-107) – (German) – (Xerox) | 7 articles | 11/346 |
| (5d-3, 5-7, 9-10) – (German) – (Xerox) | 10 articles | 11/347 |
| (5d11, 5c43, 12, 14-19, 5c/d?, 20-21, &5{?}) – (German) – (Xerox) | 10 articles | 11/348 |
| (Miscellaneous) – (Not numbered) – (German) – (Xerox) | 12 articles | 11/349 |
| (Miscellaneous) – (Not numbered) – (German) – (Xerox) | 14 articles | 11/350 |
| (Miscellaneous) – (Not numbered) – (German) – (Xerox) | 16 articles | 11/351 |