BRIEF OHNE UMSCHLAG Hellmann, August Author: Hellmann, August Recipient: Haeckel, Ernst Dating: 14.10.1862
BRIEF OHNE UMSCHLAG Hellmann, August Author: Hellmann, August Recipient: Haeckel, Ernst Dating: 07.10.1862
BRIEF OHNE UMSCHLAG Hellmann, August Author: Hellmann, August Recipient: Haeckel, Ernst Dating: 26.06.1862
BRIEF OHNE UMSCHLAG Hellmann, August Author: Hellmann, August Recipient: Haeckel, Ernst Dating: 04.11.1862
BRIEF OHNE UMSCHLAG Hellmann, August Author: Hellmann, August Recipient: Haeckel, Ernst Dating: 03.11.1862
BRIEF OHNE UMSCHLAG Hellmann, August Author: Hellmann, August Recipient: Haeckel, Ernst Dating: 19.10.1862
BRIEF OHNE UMSCHLAG Hellmann, August Author: Hellmann, August Recipient: Haeckel, Ernst Dating: 11.11.1862