- Černý MSS - Jaroslav Černý Collection
- Černý MSS 21 - Correspondence
- 229 more...
- Robertson - Černý MSS 21.122, 2207-12 - Robertson, Anne Strachan - correspondence
- Roccati - Černý MSS 21.123-5 - Roccati, Alessandro - correspondence
- Roeder - Černý 21.126-36, 1737-47 - Roeder, Ernst Günther - correspondence
- Rosén - Černý MSS 21.1750 - Rosén, Haiim Baruch - correspondence
- Roveri - Černý MSS 21.2213-16 - Roveri, Anna Maria - correspondence
- Rowton - Černý MSS 21.1748-9 - Rowton, Michael B. - correspondence
- Rutherford - Černý MSS 21.1751-6 - Rutherford, Adam - correspondence
- Rypka - Černý MSS 21.1757-9 - Rypka, Jan - correspondence
- Sander-Hansen - Černý MSS 21.137-44, 1760-2 - Sander-Hansen, Constantin Emil - correspondence
- 70 more...