Brief an die Bürger A. Willich und Gottfried Kinkel
[London,] 46 Grove Place Brompton Row, 10.08.1852 [Aug. 10 / [18]52]Brief an Kinkel
London, 19.12.1851 [December 19 / [18]51]Brief an Kinkel
Brüssel, 19.04.1851 [19 April [18]51]Brief an Kinkel
London, 02.06.1851 [Juni 2 / [18]51]Brief an Kinkel
London, 24.11.1851 [Novbr 24 / [18]51]Brief an Oberst Black, Pittsburgh
London, 20.12.1851 [Decbr 20 / [18]51]Brief an Professor Dr. Kinkel
Lambeth, 13.02.1851 [13 febr. [18]51, Mittags 12 Uhr]Brief an Professor Dr. Kinkel
Lambeth, 20.02.1851 [febr. 20 / [18]51]Brief an Professor G. Kinkel
Brüssel, 14.04.1851 [14 April [18]51]