Brief an Freundin [Gretchen Biesing]
Zürich, 16.01.1850 [16. Jan. [18]50]Brief an Freundin [Johanna Kinkel]
Paris, 04.01.1851 [4. Januar [18]51]Brief an Freundin [Johanna Kinkel]
Bethlehem, Pa., 25.05.1854 [25. Mai 1854]Brief an Johanna [Kinkel]
Weimar, 24.05.1851 [d. 24t Mai 1851]Brief an Johanna [Kinkel]
Jena, 15.08.1851 [d. 15t August 1851 Napoleons Geburtstag]Brief an Johanna [Kinkel]
Berlin, 26.01.1854 [d. 26t Januar 1854]Brief an Johanna [Kinkel]
Berlin, 22.04.1856 [d. 22t April [18]56]Brief an Mrs. Kinkel, 6 Eastbourne Terrace, Paddington, London
Berlin, 05.03.1854 [d. 5t März 1854]