- Černý MSS - Jaroslav Černý Collection
- Černý MSS 21 - Correspondence
- 179 more...
- 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
- McHardy - Černý MSS 21.1386-7 - McHardy, William Duff - correspondence
- Megally - Černý MSS 21.2183A - Megally, Mounir - correspondence
- Mekhitarian - Černý MSS 21.1388-97 - Mekhitarian, Arpag - correspondence
- 120 more...