- Černý MSS - Jaroslav Černý Collection
- Černý MSS 21 - Correspondence
- 134 more...
- Kaplony - Černý MSS 21.97, 1235-48 - Kaplony, Peter - correspondence
- Kasser - Černý MSS 21.1248a-50 - Kasser, Rodolphe - correspondence
- Keating - Černý MSS 21.2477-83 - Keating, Rex - correspondence
- Kees - Černý MSS 21.1251-8 - Kees, Hermann - correspondence
- Keimer - Černý MSS 21.1259-61 - Keimer, Ludwig (Louis) - correspondence
- Khanum - Černý MSS 21.1262-3 - Khanum, Miss - correspondence
- Kirkbride - Černý MSS 21.98, 1264-72 - Kirkbride, Diana - correspondence
- Kirollos - Černý MSS 21.2161 - Kirollos, Samira - correspondence
- Kirwan - Černý MSS 21.1273-5 - Kirwan, Sir (Archibald) Laurence Patrick - correspondence
- 165 more...