- Černý MSS - Jaroslav Černý Collection
- Černý MSS 21 - Correspondence
- 176 more...
- Marstrander - Černý MSS 21.2182 - Marstrander, F. - correspondence
- Martin, G. T. - Černý MSS 21.1365-70 - Martin, Geoffrey Thorndike - correspondence
- Martin, M. F. - Černý MSS. 21.1371 - Martin. M. F. - correspondence
- Marx - Černý MSS 21.1372-3 - Marx, Eric - correspondence
- Massart - Černý MSS. 21.1373A - Massart, Adhémar - correspondence
- Matous - Černý MSS 21.1374 - Matouš, Lubor - correspondence
- Matthieu - Černý MSS 21.1375-82 - Matthieu, Militza - correspondence
- Maystre - Černý MSS 21.1383 - Maystre, Charles - correspondence
- Mazar - Černý MSS 21.109-10, 1384-5 - Mazar, Benjamin - correspondence
- 123 more...